strutil

package

v0.0.3 Latest Latest Go to latest Published: Feb 6, 2023 License: Apache-2.0 Imports: 27 Imported by: 0

Details

Valid go.mod file

The Go module system was introduced in Go 1.11 and is the official dependency management solution for Go.
Redistributable license

Redistributable licenses place minimal restrictions on how software can be used, modified, and redistributed.
Tagged version

Modules with tagged versions give importers more predictable builds.
Stable version

When a project reaches major version v1 it is considered stable.
Learn more about best practices

Repository

github.com/zhangyiming748/pretty

Links

Open Source Insights

README ¶

String Util

This is a go string operate util package.

Install

go get github.com/zhangyiming748/pretty/strutil

Usage

ss := strutil.ToArray("a,b,c", ",")
// Output: []string{"a", "b", "c"}

ints, err := strutil.ToIntSlice("1,2,3")
// Output: []int{1, 2, 3}

Functions

func AddSlashes(s string) string
func AnyToString(val interface{}, defaultAsErr bool) (str string, err error)
func B32Decode(str string) string
func B32Encode(str string) string
func B64Decode(str string) string
func B64Encode(str string) string
func Base64(str string) string
func Bool(s string) (bool, error)
func Byte2str(b []byte) string
func Byte2string(b []byte) string
func BytePos(s string, bt byte) int
func Camel(s string, sep ...string) string
func CamelCase(s string, sep ...string) string
func Compare(s1, s2, op string) bool
func Cut(s, sep string) (before string, after string, found bool)
func EscapeHTML(s string) string
func EscapeJS(s string) string
func FilterEmail(s string) string
func GenMd5(src interface{}) string
func HasAllSubs(s string, subs []string) bool
func HasOnePrefix(s string, prefixes []string) bool
func HasOneSub(s string, subs []string) bool
func HasPrefix(s string, prefix string) bool
func HasSuffix(s string, suffix string) bool
func Implode(sep string, ss ...string) string
func Indent(s, prefix string) string
func IndentBytes(b, prefix []byte) []byte
func Int(s string) (int, error)
func Int64(s string) int64
func Int64OrErr(s string) (int64, error)
func Int64OrPanic(s string) int64
func IntOrPanic(s string) int
func Ints(s string, sep ...string) []int
func IsAlphaNum(c uint8) bool
func IsAlphabet(char uint8) bool
func IsBlank(s string) bool
func IsBlankBytes(bs []byte) bool
func IsEmpty(s string) bool
func IsEndOf(s, suffix string) bool
func IsNotBlank(s string) bool
func IsNumChar(c byte) bool
func IsNumeric(s string) bool
func IsSpace(c byte) bool
func IsSpaceRune(r rune) bool
func IsStartOf(s, prefix string) bool
func IsStartsOf(s string, prefixes []string) bool
func IsSymbol(r rune) bool
func IsValidUtf8(s string) bool
func IsVersion(s string) bool
func Join(sep string, ss ...string) string
func JoinList(sep string, ss []string) string
func LTrim(s string, cutSet ...string) string
func Lower(s string) string
func LowerFirst(s string) string
func Lowercase(s string) string
func Ltrim(s string, cutSet ...string) string
func MD5(src interface{}) string
func Md5(src interface{}) string
func MicroTimeHexID() string
func MicroTimeID() string
func MustBool(s string) bool
func MustCut(s, sep string) (before string, after string)
func MustInt(s string) int
func MustInt64(s string) int64
func MustString(in interface{}) string
func MustToTime(s string, layouts ...string) time.Time
func NoCaseEq(s, t string) bool
func PadLeft(s, pad string, length int) string
func PadRight(s, pad string, length int) string
func Padding(s, pad string, length int, pos uint8) string
func PrettyJSON(v interface{}) (string, error)
func QuietBool(s string) bool
func QuietInt(s string) int
func QuietInt64(s string) int64
func QuietString(in interface{}) string
func Quote(s string) string
func RTrim(s string, cutSet ...string) string
func RandomBytes(length int) ([]byte, error)
func RandomChars(ln int) string
func RandomCharsV2(ln int) string
func RandomCharsV3(ln int) string
func RandomString(length int) (string, error)
func RenderTemplate(input string, data interface{}, fns template.FuncMap, isFile ...bool) string
func RenderText(input string, data interface{}, fns template.FuncMap, isFile ...bool) string
func Repeat(s string, times int) string
func RepeatBytes(char byte, times int) (chars []byte)
func RepeatRune(char rune, times int) (chars []rune)
func Replaces(str string, pairs map[string]string) string
func Rtrim(s string, cutSet ...string) string
func RuneCount(s string) int
func RuneIsLower(c rune) bool
func RuneIsUpper(c rune) bool
func RuneIsWord(c rune) bool
func RunePos(s string, ru rune) int
func RuneWidth(r rune) int
func Similarity(s, t string, rate float32) (float32, bool)
func SnakeCase(s string, sep ...string) string
func Split(s, sep string) (ss []string)
func SplitInlineComment(val string) (string, string)
func SplitN(s, sep string, n int) (ss []string)
func SplitNTrimmed(s, sep string, n int) (ss []string)
func SplitNValid(s, sep string, n int) (ss []string)
func SplitTrimmed(s, sep string) (ss []string)
func SplitValid(s, sep string) (ss []string)
func StrPos(s, sub string) int
func String(val interface{}) (string, error)
func StringOrErr(val interface{}) (string, error)
func Strings(s string, sep ...string) []string
func StripSlashes(s string) string
func Substr(s string, pos, length int) string
func TextSplit(s string, w int) []string
func TextTruncate(s string, w int, tail string) string
func TextWidth(s string) int
func TextWrap(s string, w int) string
func Title(s string) string
func ToArray(s string, sep ...string) []string
func ToBool(s string) (bool, error)
func ToBytes(s string) (b []byte)
func ToDuration(s string) (time.Duration, error)
func ToInt(s string) (int, error)
func ToInt64(s string) (int64, error)
func ToIntSlice(s string, sep ...string) (ints []int, err error)
func ToInts(s string, sep ...string) ([]int, error)
func ToSlice(s string, sep ...string) []string
func ToString(val interface{}) (string, error)
func ToStrings(s string, sep ...string) []string
func ToTime(s string, layouts ...string) (t time.Time, err error)
func Trim(s string, cutSet ...string) string
func TrimCut(s, sep string) (string, string)
func TrimLeft(s string, cutSet ...string) string
func TrimRight(s string, cutSet ...string) string
func URLDecode(s string) string
func URLEncode(s string) string
func Unquote(s string) string
func Upper(s string) string
func UpperFirst(s string) string
func UpperWord(s string) string
func Uppercase(s string) string
func Utf8Len(s string) int
func Utf8Split(s string, w int) []string
func Utf8Truncate(s string, w int, tail string) string
func Utf8Width(s string) (size int)
func Utf8len(s string) int
func VersionCompare(v1, v2, op string) bool
func WidthWrap(s string, w int) string
func WrapTag(s, tag string) string

Code Check & Testing

gofmt -w -l ./
golint ./...

Testing:

go test -v ./strutil/...

Test limit by regexp:

go test -v -run ^TestSetByKeys ./strutil/...

Documentation ¶

Overview ¶

Package strutil provide some string,char,byte util functions

Index ¶

Constants
Variables
func AddSlashes(s string) string
func AnyToString(val any, defaultAsErr bool) (str string, err error)
func B32Decode(str string) string
func B32Encode(str string) string
func B64Decode(str string) string
func B64DecodeBytes(str string) []byte
func B64Encode(str string) string
func B64EncodeBytes(src []byte) []byte
func Bool(s string) (bool, error)
func Byte2str(b []byte) string
func Byte2string(b []byte) string
func BytePos(s string, bt byte) int
func Camel(s string, sep ...string) string
func CamelCase(s string, sep ...string) string
func Compare(s1, s2, op string) bool
func ContainsAll(s string, subs []string) bool
func ContainsOne(s string, subs []string) bool
func Cut(s, sep string) (before string, after string, found bool)
func EscapeHTML(s string) string
func EscapeJS(s string) string
func FilterEmail(s string) string
func FirstLine(output string) string
func GenMd5(src any) string
func HasAllSubs(s string, subs []string) bool
func HasEmpty(ss ...string) bool
func HasOnePrefix(s string, prefixes []string) bool
func HasOneSub(s string, subs []string) bool
func HasPrefix(s string, prefix string) bool
func HasSuffix(s string, suffix string) bool
func HashPasswd(pwd, key string) string
func IContains(s string, sub string) bool
func IEqual(s1 string, s2 string) bool
func Implode(sep string, ss ...string) string
func Indent(s, prefix string) string
func IndentBytes(b, prefix []byte) []byte
func Int(s string) (int, error)
func Int2(s string) int
func Int64(s string) int64
func Int64OrErr(s string) (int64, error)
func Int64OrPanic(s string) int64
func IntOrPanic(s string) int
func Ints(s string, sep ...string) []int
func IsAllEmpty(ss ...string) bool
func IsAlphaNum(c uint8) bool
func IsAlphabet(char uint8) bool
func IsBlank(s string) bool
func IsBlankBytes(bs []byte) bool
func IsEmpty(s string) bool
func IsEndOf(s, suffix string) bool
func IsNotBlank(s string) bool
func IsNumChar(c byte) bool
func IsNumeric(s string) bool
func IsSpace(c byte) bool
func IsSpaceRune(r rune) bool
func IsStartOf(s, prefix string) bool
func IsStartsOf(s string, prefixes []string) bool
func IsSymbol(r rune) bool
func IsValidUtf8(s string) bool
func IsVersion(s string) bool
func Join(sep string, ss ...string) string
func JoinAny(sep string, parts ...any) string
func JoinList(sep string, ss []string) string
func LTrim(s string, cutSet ...string) string
func Lower(s string) string
func LowerFirst(s string) string
func Lowercase(s string) string
func Ltrim(s string, cutSet ...string) string
func MD5(src any) string
func Md5(src any) string
func Md5Bytes(src any) []byte
func MicroTimeHexID() string
func MicroTimeID() string
func MustBool(s string) bool
func MustCut(s, sep string) (before string, after string)
func MustInt(s string) int
func MustInt64(s string) int64
func MustString(in any) string
func MustToTime(s string, layouts ...string) time.Time
func NoCaseEq(s, t string) bool
func OrCond(cond bool, s1, s2 string) string
func OrElse(s, newVal string) string
func OrHandle(s string, fn func(s string) string) string
func PadBytes(bs []byte, pad byte, length int, pos PosFlag) []byte
func PadBytesLeft(bs []byte, pad byte, length int) []byte
func PadBytesRight(bs []byte, pad byte, length int) []byte
func PadChars[T byte | rune](cs []T, pad T, length int, pos PosFlag) []T
func PadLeft(s, pad string, length int) string
func PadRight(s, pad string, length int) string
func PadRunes(rs []rune, pad rune, length int, pos PosFlag) []rune
func PadRunesLeft(rs []rune, pad rune, length int) []rune
func PadRunesRight(rs []rune, pad rune, length int) []rune
func Padding(s, pad string, length int, pos PosFlag) string
func PrettyJSON(v any) (string, error)
func QuietBool(s string) bool
func QuietCut(s, sep string) (before string, after string)
func QuietInt(s string) int
func QuietInt64(s string) int64
func QuietString(in any) string
func Quote(s string) string
func RTrim(s string, cutSet ...string) string
func RandomBytes(length int) ([]byte, error)
func RandomChars(ln int) string
func RandomCharsV2(ln int) string
func RandomCharsV3(ln int) string
func RandomString(length int) (string, error)
func RenderTemplate(input string, data any, fns template.FuncMap, isFile ...bool) string
func RenderText(input string, data any, fns template.FuncMap, isFile ...bool) string
func Repeat(s string, times int) string
func RepeatBytes(char byte, times int) []byte
func RepeatChars[T byte | rune](char T, times int) []T
func RepeatRune(char rune, times int) []rune
func Replaces(str string, pairs map[string]string) string
func Resize(s string, length int, align PosFlag) string
func Rtrim(s string, cutSet ...string) string
func RuneCount(s string) int
func RuneIsLower(c rune) bool
func RuneIsUpper(c rune) bool
func RuneIsWord(c rune) bool
func RunePos(s string, ru rune) int
func RuneWidth(r rune) int
func RunesWidth(rs []rune) (w int)
func Similarity(s, t string, rate float32) (float32, bool)
func SnakeCase(s string, sep ...string) string
func Split(s, sep string) (ss []string)
func SplitInlineComment(val string) (string, string)
func SplitN(s, sep string, n int) (ss []string)
func SplitNTrimmed(s, sep string, n int) (ss []string)
func SplitNValid(s, sep string, n int) (ss []string)
func SplitTrimmed(s, sep string) (ss []string)
func SplitValid(s, sep string) (ss []string)
func StrPos(s, sub string) int
func String(val any) (string, error)
func StringOrErr(val any) (string, error)
func Strings(s string, sep ...string) []string
func StripSlashes(s string) string
func Substr(s string, pos, length int) string
func SubstrCount(s string, substr string, params ...uint64) (int, error)
func TextSplit(s string, w int) []string
func TextTruncate(s string, w int, tail string) string
func TextWidth(s string) int
func TextWrap(s string, w int) string
func Title(s string) string
func ToArray(s string, sep ...string) []string
func ToBool(s string) (bool, error)
func ToBytes(s string) (b []byte)
func ToDuration(s string) (time.Duration, error)
func ToInt(s string) (int, error)
func ToInt64(s string) (int64, error)
func ToIntSlice(s string, sep ...string) (ints []int, err error)
func ToInts(s string, sep ...string) ([]int, error)
func ToSlice(s string, sep ...string) []string
func ToString(val any) (string, error)
func ToStrings(s string, sep ...string) []string
func ToTime(s string, layouts ...string) (t time.Time, err error)
func Trim(s string, cutSet ...string) string
func TrimCut(s, sep string) (string, string)
func TrimLeft(s string, cutSet ...string) string
func TrimRight(s string, cutSet ...string) string
func URLDecode(s string) string
func URLEncode(s string) string
func Unquote(s string) string
func Upper(s string) string
func UpperFirst(s string) string
func UpperWord(s string) string
func Uppercase(s string) string
func Utf8Len(s string) int
func Utf8Split(s string, w int) []string
func Utf8Truncate(s string, w int, tail string) string
func Utf8Width(s string) int
func Utf8len(s string) int
func Valid(ss ...string) string
func VerifyPasswd(pwdMAC, pwd, key string) bool
func VersionCompare(v1, v2, op string) bool
func WidthWrap(s string, w int) string
func WordWrap(s string, w int) string
func WrapTag(s, tag string) string
type BaseEncoder
- func Encoding(base int, typ BaseType) BaseEncoder
type BaseType
type Buffer
- func NewBuffer() *Buffer
type ByteChanPool
- func NewByteChanPool(maxSize, width, capWidth int) *ByteChanPool
type PosFlag
type Runes
- func (rs Runes) PadLeft(pad rune, length int) []rune
- func (rs Runes) PadRight(pad rune, length int) []rune
- func (rs Runes) Padding(pad rune, length int, pos PosFlag) []rune
type SimilarComparator
- func NewComparator(src, dst string) *SimilarComparator
- func (c *SimilarComparator) Similar(minDifferRate float32) (float32, bool)
type StrVal
type Value
- func (s Value) Bool() bool
- func (s Value) Bytes() []byte
- func (s Value) HasPrefix(sub string) bool
- func (s Value) HasSuffix(sub string) bool
- func (s Value) Int() int
- func (s Value) Int64() int64
- func (s Value) IsBlank() bool
- func (s Value) IsEmpty() bool
- func (s Value) IsEndWith(sub string) bool
- func (s Value) IsStartWith(sub string) bool
- func (s Value) OrElse(or string) string
- func (s *Value) Set(val string) error
- func (s Value) Split(sep string) []string
- func (s Value) SplitN(sep string, n int) []string
- func (s Value) String() string
- func (s Value) Val() string
- func (s Value) WithTrimSpace() Value

Constants ¶

View Source

const (
	Numbers   = "0123456789"
	AlphaBet  = "abcdefghijklmnopqrstuvwxyz"
	AlphaBet1 = "AaBbCcDdEeFfGgHhIiJjKkLlMmNnOoPpQqRrSsTtUuVvWwXxYyZz"
	AlphaNum  = "abcdefghijklmnopqrstuvwxyz0123456789"
	AlphaNum2 = "abcdefghijklmnopqrstuvwxyz0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ"
	AlphaNum3 = "0123456789AaBbCcDdEeFfGgHhIiJjKkLlMmNnOoPpQqRrSsTtUuVvWwXxYyZz"
)

some consts string chars

Variables ¶

View Source

var (
	ErrDateLayout   = errors.New("invalid date layout string")
	ErrInvalidParam = errors.New("invalid input parameter")
)

View Source

var (
	UpWords = UpperWord
	LoFirst = LowerFirst
	UpFirst = UpperFirst

	Snake = SnakeCase
)

methods aliases

View Source

var (
	DefMinInt = 1000
	DefMaxInt = 9999
)

global id:

https://github.com/rs/xid
https://github.com/satori/go.uuid

View Source

var Equal = strings.EqualFold

Equal check, alias of strings.EqualFold

Functions ¶

func AnyToString ¶

func AnyToString(val any, defaultAsErr bool) (str string, err error)

AnyToString convert value to string.

if defaultAsErr:

False will use fmt.Sprint convert complex type
True  will return error on fail.

func Bool ¶

func Bool(s string) (bool, error)

Bool parse string to bool. like strconv.ParseBool()

func CamelCase ¶

func CamelCase(s string, sep ...string) string

CamelCase convert string to camel case.

Support:

"range_price" -> "rangePrice"
"range price" -> "rangePrice"
"range-price" -> "rangePrice"

func ContainsAll ¶

func ContainsAll(s string, subs []string) bool

ContainsAll substr(s) in the given string. alias of HasAllSubs()

func ContainsOne ¶

func ContainsOne(s string, subs []string) bool

ContainsOne substr(s) in the given string. alias of HasOneSub()

func Cut ¶

func Cut(s, sep string) (before string, after string, found bool)

Cut same of the strings.Cut

func FilterEmail ¶

func FilterEmail(s string) string

FilterEmail filter email, clear invalid chars.

func HasAllSubs ¶

func HasAllSubs(s string, subs []string) bool

HasAllSubs all substr in the given string.

func HasOnePrefix ¶

func HasOnePrefix(s string, prefixes []string) bool

HasOnePrefix the string start withs one of the subs

func HashPasswd ¶

func HashPasswd(pwd, key string) string

HashPasswd for quick hash an input password string

func IContains ¶

func IContains(s string, sub string) bool

IContains ignore case check substr in the given string.

func IEqual ¶

func IEqual(s1 string, s2 string) bool

IEqual ignore case check given two string is equals.

func Indent ¶

func Indent(s, prefix string) string

Indent inserts prefix at the beginning of each non-empty line of s. The end-of-line marker is NL.

func IndentBytes ¶

func IndentBytes(b, prefix []byte) []byte

IndentBytes inserts prefix at the beginning of each non-empty line of b. The end-of-line marker is NL.

func Int ¶

func Int(s string) (int, error)

Int convert string to int, alias of ToInt()

func Int2 ¶

func Int2(s string) int

Int2 convert string to int, will ignore error

func Int64 ¶

func Int64(s string) int64

Int64 convert string to int, will ignore error

func Int64OrErr ¶

func Int64OrErr(s string) (int64, error)

Int64OrErr convert string to int, return error on fail

func Int64OrPanic ¶

func Int64OrPanic(s string) int64

Int64OrPanic convert value to int, will panic on error

func IntOrPanic ¶

func IntOrPanic(s string) int

IntOrPanic convert value to int, will panic on error

func Ints ¶

func Ints(s string, sep ...string) []int

Ints alias of the ToIntSlice(). default sep is comma(,)

func IsAlphaNum ¶

func IsAlphaNum(c uint8) bool

IsAlphaNum reports whether the byte is an ASCII letter, number, or underscore

func IsBlank ¶

func IsBlank(s string) bool

IsBlank returns true if the given string is all space characters.

func IsBlankBytes ¶

func IsBlankBytes(bs []byte) bool

IsBlankBytes returns true if the given []byte is all space characters.

func IsEmpty ¶

func IsEmpty(s string) bool

IsEmpty returns true if the given string is empty.

func IsNotBlank ¶

func IsNotBlank(s string) bool

IsNotBlank returns true if the given string is not blank.

func IsNumChar ¶

func IsNumChar(c byte) bool

IsNumChar returns true if the given character is a numeric, otherwise false.

func IsNumeric ¶

func IsNumeric(s string) bool

IsNumeric returns true if the given string is a numeric, otherwise false.

func IsSpace ¶

func IsSpace(c byte) bool

IsSpace returns true if the given character is a space, otherwise false.

func IsSpaceRune ¶

func IsSpaceRune(r rune) bool

IsSpaceRune returns true if the given rune is a space, otherwise false.

func IsSymbol ¶

func IsSymbol(r rune) bool

IsSymbol reports whether the rune is a symbolic character.

func MD5 ¶

func MD5(src any) string

MD5 Generate a 32-bit md5 string

func Md5 ¶

func Md5(src any) string

Md5 Generate a 32-bit md5 string

func MicroTimeHexID ¶

func MicroTimeHexID() string

MicroTimeHexID generate. return like: 5b5f0588af1761ad3(len: 16-17)

func MicroTimeID ¶

func MicroTimeID() string

MicroTimeID generate. return like: 16074145697981929446(len: 20)

func MustInt ¶

func MustInt(s string) int

MustInt convert string to int, will panic on error

func MustInt64 ¶

func MustInt64(s string) int64

MustInt64 convert value to int, will panic on error

func MustString ¶

func MustString(in any) string

MustString convert value to string, TODO will panic on error

func MustToTime ¶

func MustToTime(s string, layouts ...string) time.Time

MustToTime convert date string to time.Time

func NoCaseEq ¶

func NoCaseEq(s, t string) bool

NoCaseEq check two strings is equals and case-insensitivity

func OrCond ¶

func OrCond(cond bool, s1, s2 string) string

OrCond return s1 on cond is True, OR return s2.

func OrElse ¶

func OrElse(s, newVal string) string

OrElse return s OR nv(new-value) on s is empty

func PadBytes ¶

func PadBytes(bs []byte, pad byte, length int, pos PosFlag) []byte

PadBytes padding a byte to want length and with position flag

func PadChars ¶

func PadChars[T byte | rune](cs []T, pad T, length int, pos PosFlag) []T

PadChars padding a rune/byte to want length and with position flag

func PadRunes ¶

func PadRunes(rs []rune, pad rune, length int, pos PosFlag) []rune

PadRunes padding a rune to want length and with position flag

func PrettyJSON ¶

func PrettyJSON(v any) (string, error)

PrettyJSON get pretty Json string Deprecated: please use fmtutil.PrettyJSON() or jsonutil.Pretty() instead it

func QuietBool ¶

func QuietBool(s string) bool

QuietBool convert to bool, will ignore error

func QuietInt ¶

func QuietInt(s string) int

QuietInt convert string to int, will ignore error

func QuietInt64 ¶

func QuietInt64(s string) int64

QuietInt64 convert string to int, will ignore error

func QuietString ¶

func QuietString(in any) string

QuietString convert value to string, will ignore error

func RandomChars ¶

func RandomChars(ln int) string

RandomChars generate give length random chars at `a-z`

func RandomCharsV2 ¶

func RandomCharsV2(ln int) string

RandomCharsV2 generate give length random chars in `0-9a-z`

func RandomCharsV3 ¶

func RandomCharsV3(ln int) string

RandomCharsV3 generate give length random chars in `0-9a-zA-Z`

func RandomString ¶

func RandomString(length int) (string, error)

RandomString generate. Example:

	// this will give us a 44 byte, base64 encoded output
	token, err := RandomString(32)
	if err != nil {
    // Serve an appropriately vague error to the
    // user, but log the details internally.
	}

func Replaces ¶

func Replaces(str string, pairs map[string]string) string

Replaces replace multi strings

pairs: {old1: new1, old2: new2, ...}

Can also use:

strings.NewReplacer("old1", "new1", "old2", "new2").Replace(str)

func Resize ¶

func Resize(s string, length int, align PosFlag) string

Resize a string by given length and align settings. padding space.

func RuneWidth ¶

func RuneWidth(r rune) int

RuneWidth of the rune.

Example:

RuneWidth('你') // 2
RuneWidth('a') // 1
RuneWidth('\n') // 0

func RunesWidth ¶

func RunesWidth(rs []rune) (w int)

RunesWidth utf8 runes string width.

Examples:

str := "hi,你好"

strutil.Utf8Width(str)	=> 7
len(str) => 9
len([]rune(str)) = utf8.RuneCountInString(s) => 5

func Similarity ¶

func Similarity(s, t string, rate float32) (float32, bool)

Similarity calc for two string. Usage:

rate, ok := Similarity("hello", "he")

func SnakeCase ¶

func SnakeCase(s string, sep ...string) string

SnakeCase convert. eg "RangePrice" -> "range_price"

func Split ¶

func Split(s, sep string) (ss []string)

Split string to slice. will trim each item and filter empty string node.

func SplitN ¶

func SplitN(s, sep string, n int) (ss []string)

SplitN string to slice. will filter empty string node.

func SplitNTrimmed ¶

func SplitNTrimmed(s, sep string, n int) (ss []string)

SplitNTrimmed split string to slice. will trim space for each node, but not filter empty

func SplitNValid ¶

func SplitNValid(s, sep string, n int) (ss []string)

SplitNValid string to slice. will filter empty string node.

func SplitTrimmed ¶

func SplitTrimmed(s, sep string) (ss []string)

SplitTrimmed split string to slice. will trim space for each node, but not filter empty

func SplitValid ¶

func SplitValid(s, sep string) (ss []string)

SplitValid string to slice. will trim each item and filter empty string node.

func StringOrErr ¶

func StringOrErr(val any) (string, error)

StringOrErr convert value to string, return error on failed

func StripSlashes ¶

func StripSlashes(s string) string

StripSlashes strip slashes for the string.

func Substr ¶

func Substr(s string, pos, length int) string

Substr for a string. if length <= 0, return pos to end.

func SubstrCount ¶

func SubstrCount(s string, substr string, params ...uint64) (int, error)

SubstrCount returns the number of times the substr substring occurs in the s string. Actually, it comes from strings.Count(). s The string to search in substr The substring to search for params[0] The offset where to start counting. params[1] The maximum length after the specified offset to search for the substring.

func TextSplit ¶

func TextSplit(s string, w int) []string

TextSplit alias of the Utf8Split()

func TextTruncate ¶

func TextTruncate(s string, w int, tail string) string

TextTruncate alias of the Utf8Truncate()

func TextWidth ¶

func TextWidth(s string) int

TextWidth utf8 string width. alias of RunesWidth()

func TextWrap ¶

func TextWrap(s string, w int) string

TextWrap a string by "\n"

func Title ¶

func Title(s string) string

Title alias of the strings.ToTitle()

func ToArray ¶

func ToArray(s string, sep ...string) []string

ToArray alias of the ToSlice()

func ToBool ¶

func ToBool(s string) (bool, error)

ToBool convert string to bool

func ToBytes ¶

func ToBytes(s string) (b []byte)

ToBytes convert string to bytes

func ToDuration ¶

func ToDuration(s string) (time.Duration, error)

ToDuration parses a duration string. such as "300ms", "-1.5h" or "2h45m". Valid time units are "ns", "us" (or "µs"), "ms", "s", "m", "h".

func ToInt ¶

func ToInt(s string) (int, error)

ToInt convert string to int, return error on fail

func ToInt64 ¶

func ToInt64(s string) (int64, error)

ToInt64 convert string to int, return error on fail

func ToIntSlice ¶

func ToIntSlice(s string, sep ...string) (ints []int, err error)

ToIntSlice split string to slice and convert item to int.

Default sep is comma(,)

func ToInts ¶

func ToInts(s string, sep ...string) ([]int, error)

ToInts alias of the ToIntSlice(). default sep is comma(,)

func ToSlice ¶

func ToSlice(s string, sep ...string) []string

ToSlice split string to array.

func ToString ¶

func ToString(val any) (string, error)

ToString convert value to string

func ToStrings ¶

func ToStrings(s string, sep ...string) []string

ToStrings alias of the ToSlice()

func ToTime ¶

func ToTime(s string, layouts ...string) (t time.Time, err error)

ToTime convert date string to time.Time

func Trim ¶

func Trim(s string, cutSet ...string) string

Trim string. if cutSet is empty, will trim SPACE.

func TrimCut ¶

func TrimCut(s, sep string) (string, string)

TrimCut always returns two substring and trim space for items.

func TrimLeft ¶

func TrimLeft(s string, cutSet ...string) string

TrimLeft char in the string. if cutSet is empty, will trim SPACE.

func TrimRight ¶

func TrimRight(s string, cutSet ...string) string

TrimRight char in the string. if cutSet is empty, will trim SPACE.

func URLDecode ¶

func URLDecode(s string) string

URLDecode decode url string.

func URLEncode ¶

func URLEncode(s string) string

URLEncode encode url string.

func Unquote ¶

func Unquote(s string) string

Unquote remove start and end quotes by single-quote or double-quote

func Upper ¶

func Upper(s string) string

Upper alias of the strings.ToUpper()

func UpperFirst ¶

func UpperFirst(s string) string

UpperFirst upper first char

func UpperWord ¶

func UpperWord(s string) string

UpperWord Change the first character of each word to uppercase

func Uppercase ¶

func Uppercase(s string) string

Uppercase alias of the strings.ToUpper()

func Utf8Len ¶

func Utf8Len(s string) int

Utf8Len count of the string

func Utf8Split ¶

func Utf8Split(s string, w int) []string

Utf8Split split a string by width.

func Utf8Truncate ¶

func Utf8Truncate(s string, w int, tail string) string

Utf8Truncate a string with given width.

func Utf8Width ¶

func Utf8Width(s string) int

Utf8Width utf8 string width. alias of RunesWidth

func Utf8len ¶

func Utf8len(s string) int

Utf8len of the string

func Valid ¶

func Valid(ss ...string) string

Valid return first not empty element.

func VerifyPasswd ¶

func VerifyPasswd(pwdMAC, pwd, key string) bool

VerifyPasswd for quick verify input password is valid

- pwdMAC from db or config, generated by EncryptPasswd()

func VersionCompare ¶

func VersionCompare(v1, v2, op string) bool

VersionCompare for two version string.

func WidthWrap ¶

func WidthWrap(s string, w int) string

WidthWrap a string by "\n"

func WordWrap ¶

func WordWrap(s string, w int) string

WordWrap text string and limit width.

func WrapTag ¶

func WrapTag(s, tag string) string

WrapTag for given string.

Types ¶

type BaseEncoder ¶

type BaseEncoder interface {
	Encode(dst []byte, src []byte)
	EncodeToString(src []byte) string
	Decode(dst []byte, src []byte) (n int, err error)
	DecodeString(s string) ([]byte, error)
}

BaseEncoder interface

func Encoding ¶

func Encoding(base int, typ BaseType) BaseEncoder

Encoding instance

type BaseType ¶

type BaseType uint8

BaseType for base encoding

const (
	BaseTypeStd BaseType = iota
	BaseTypeHex
	BaseTypeURL
	BaseTypeRawStd
	BaseTypeRawURL
)

types for base encoding

type Buffer ¶

type Buffer = byteutil.Buffer

Buffer wrap and extends the bytes.Buffer

func NewBuffer ¶

func NewBuffer() *Buffer

NewBuffer instance

type ByteChanPool ¶

type ByteChanPool = byteutil.ChanPool

ByteChanPool struct

Usage:

bp := strutil.NewByteChanPool(500, 1024, 1024)
buf:=bp.Get()
defer bp.Put(buf)
// use buf do something ...

func NewByteChanPool ¶

func NewByteChanPool(maxSize, width, capWidth int) *ByteChanPool

NewByteChanPool instance

type PosFlag ¶

type PosFlag uint8

PosFlag type

const (
	PosLeft PosFlag = iota
	PosRight
	PosMiddle
)

Position for padding/resize string

type Runes ¶

type Runes []rune

Runes data slice

func (Runes) PadLeft ¶

func (rs Runes) PadLeft(pad rune, length int) []rune

PadLeft a rune to want length

func (Runes) PadRight ¶

func (rs Runes) PadRight(pad rune, length int) []rune

PadRight a rune to want length

func (Runes) Padding ¶

func (rs Runes) Padding(pad rune, length int, pos PosFlag) []rune

Padding a rune to want length and with position

type SimilarComparator ¶

type SimilarComparator struct {
	// contains filtered or unexported fields
}

SimilarComparator definition links:

https://github.com/mkideal/cli/blob/master/fuzzy.go

func NewComparator ¶

func NewComparator(src, dst string) *SimilarComparator

NewComparator create

func (*SimilarComparator) Similar ¶

func (c *SimilarComparator) Similar(minDifferRate float32) (float32, bool)

Similar by minDifferRate Usage:

c := NewComparator("hello", "he")
rate, ok :c.Similar(0.3)

type StrVal ¶

type StrVal = Value

StrVal string. alias of Value

type Value ¶

type Value string

Value string

func (Value) Bool ¶

func (s Value) Bool() bool

Bool convert

func (Value) Bytes ¶

func (s Value) Bytes() []byte

Bytes string to bytes

func (Value) HasPrefix ¶

func (s Value) HasPrefix(sub string) bool

HasPrefix prefix

func (Value) HasSuffix ¶

func (s Value) HasSuffix(sub string) bool

HasSuffix suffix

func (Value) Int ¶

func (s Value) Int() int

Int convert

func (Value) Int64 ¶

func (s Value) Int64() int64

Int64 convert

func (Value) IsBlank ¶

func (s Value) IsBlank() bool

IsBlank check

func (Value) IsEmpty ¶

func (s Value) IsEmpty() bool

IsEmpty check

func (Value) IsEndWith ¶

func (s Value) IsEndWith(sub string) bool

IsEndWith suffix

func (Value) IsStartWith ¶

func (s Value) IsStartWith(sub string) bool

IsStartWith prefix

func (Value) OrElse ¶

func (s Value) OrElse(or string) string

OrElse string

func (*Value) Set ¶

func (s *Value) Set(val string) error

Set value

func (Value) Split ¶

func (s Value) Split(sep string) []string

Split string

func (Value) SplitN ¶

func (s Value) SplitN(sep string, n int) []string

SplitN string

func (Value) String ¶

func (s Value) String() string

Value string

func (Value) Val ¶

func (s Value) Val() string

Val string

func (Value) WithTrimSpace ¶

func (s Value) WithTrimSpace() Value

WithTrimSpace string and return new

Source Files ¶

View all Source files

Directories ¶

Path	Synopsis
secutil Package secutil provide some security utils	Package secutil provide some security utils
textscan Package textscan Implemented a parser that quickly scans and analyzes text content.	Package textscan Implemented a parser that quickly scans and analyzes text content.
textutil Package textutil provide some extra text handle util	Package textutil provide some extra text handle util

?	: This menu
/	: Search site
f or F	: Jump to
y or Y	: Canonical URL

README ¶

String Util

Install

Usage

Functions

Code Check & Testing

Documentation ¶

Overview ¶

Index ¶

Constants ¶

Variables ¶

Functions ¶

func AddSlashes ¶

func AnyToString ¶

func B32Decode ¶

func B32Encode ¶

func B64Decode ¶

func B64DecodeBytes ¶

func B64Encode ¶

func B64EncodeBytes ¶

func Bool ¶

func Byte2str ¶

func Byte2string ¶

func BytePos ¶

func Camel ¶

func CamelCase ¶

func Compare ¶

func ContainsAll ¶

func ContainsOne ¶

func Cut ¶

func EscapeHTML ¶

func EscapeJS ¶

func FilterEmail ¶

func FirstLine ¶

func GenMd5 ¶

func HasAllSubs ¶

func HasEmpty ¶

func HasOnePrefix ¶

func HasOneSub ¶

func HasPrefix ¶

func HasSuffix ¶

func HashPasswd ¶

func IContains ¶

func IEqual ¶

func Implode ¶

func Indent ¶

func IndentBytes ¶

func Int ¶

func Int2 ¶

func Int64 ¶

func Int64OrErr ¶

func Int64OrPanic ¶

func IntOrPanic ¶

func Ints ¶

func IsAllEmpty ¶

func IsAlphaNum ¶

func IsAlphabet ¶

func IsBlank ¶

func IsBlankBytes ¶

func IsEmpty ¶

func IsEndOf ¶

func IsNotBlank ¶

func IsNumChar ¶

func IsNumeric ¶

func IsSpace ¶

func IsSpaceRune ¶

func IsStartOf ¶

func IsStartsOf ¶

func IsSymbol ¶

func IsValidUtf8 ¶

func IsVersion ¶

func Join ¶

func JoinAny ¶

func JoinList ¶

func LTrim ¶

func Lower ¶

func LowerFirst ¶

func Lowercase ¶

func Ltrim ¶

func MD5 ¶