regexputil

Documentation

Overview

Package regexputil implements some introspection on parsed regexps.

Index

• type Regexp
  • func Parse(regexp string) (Regexp, error)
  • func (r Regexp) List() ([]string, bool)
  • func (r Regexp) Wildcard() (string, bool)

Types

type Regexp

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

Regexp represents a parsed regexp. Use Parse to make one.

func Parse

func Parse(regexp string) (Regexp, error)

Parse takes a regexp in Perl syntax (as implemented by regexp/syntax) and returns a Regexp, for introspecting the regexp.

func (Regexp) List

func (r Regexp) List() ([]string, bool)

List returns a list of fixed matches if the regexp only matches a fixed set of alternate strings.

func (Regexp) Wildcard

func (r Regexp) Wildcard() (string, bool)

Wildcard attempts to convert the regexp into a wildcard form, that is, if it can be represented as a glob pattern using only "*", it will return "string*" and true. It is assumed the "*" glob character matches 0 or more characters only (i.e. is exactly identical to ".*"). Literal strings (i.e. not containing any "*") will also be returned, if you need to handle these differently it is recommended to call List first.