pattern

package

v0.0.0-...-b779d65 Latest Latest Go to latest Published: Apr 18, 2024 License: Apache-2.0 Imports: 3 Imported by: 2

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Repository

chromium.googlesource.com/infra/luci/luci-go

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Documentation ¶

Overview ¶

Package pattern implements lightweight parsable string patterns.

Index ¶

type Pattern

Constants ¶

This section is empty.

Variables ¶

This section is empty.

Functions ¶

This section is empty.

Types ¶

type Pattern ¶

type Pattern interface {
	// String returns the definition of the pattern parsable by Parse.
	String() string
	// Match returns true if s matches this pattern, otherwise false.
	Match(s string) bool
}

Pattern can either match or not match a string.

var (
	// Any matches anything.
	Any Pattern
	// None matches nothing.
	None Pattern
)

func Exact ¶

func Exact(s string) Pattern

Exact returns a pattern that matches s only.

func MustParse ¶

func MustParse(s string) Pattern

MustParse parses the pattern according to the specification of Parse. In addition, it panics if there is an error in parsing the given string as a pattern.

See Parse for more details.

func Parse ¶

func Parse(s string) (Pattern, error)

Parse parses a pattern.

Ordered by precedence, s can be:

"": matches nothing
"*": matches anything
"<S>" where S does not have a colon: same as "exact:<S>"
"exact:<S>": matches only string S
"text:<S>": same as "exact:<S>" for backward compatibility
"regex:<E>": matches all strings matching regular expression E. If E does not start/end with ^/$, they are added automatically.

Anything else will cause an error.

func Regexp ¶

func Regexp(expr *regexp.Regexp) Pattern

Regexp returns a regular expression-based pattern.

Source Files ¶

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