pattern

var (
	// Alpha regular expression for alpha strings.
	Alpha = regexp.MustCompile(alpha)

	// Alphanumeric regular expression for alphanumeric strings.
	Alphanumeric = regexp.MustCompile(alphanumeric)

	// AlphanumericExt regular expression for alphanumeric strings plus
	// certain allowed characters.
	AlphanumericExt = regexp.MustCompile(alphanumericext)

	// Email regular expression for e-mail strings.
	Email = regexp.MustCompile(email)

	// Integer regular expression for integer strings.
	Integer = regexp.MustCompile(integer)

	// Numeric regular expression for numeric strings.
	Numeric = regexp.MustCompile(numeric)

	// UnixPath regular expression for unix path strings.
	UnixPath = regexp.MustCompile(unixPath)

	// URL regular expression for URL strings.
	URL = regexp.MustCompile(url)
)