regexp

package
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Published: Oct 24, 2016 License: ISC, BSD-3-Clause Imports: 12 Imported by: 0

Documentation

Overview

Package regexp implements regular expression search tuned for use in grep-like programs.

Index

Constants

This section is empty.

Variables

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Functions

This section is empty.

Types

type Grep

type Grep struct {
	Regexp *Regexp   // regexp to search for
	Stdout io.Writer // output target
	Stderr io.Writer // error target

	L bool // L flag - print file names only
	C bool // C flag - print count of matches
	N bool // N flag - print line numbers
	H bool // H flag - do not print file names

	Match bool
	// contains filtered or unexported fields
}

TODO:

func (*Grep) AddFlags

func (g *Grep) AddFlags()

func (*Grep) File

func (g *Grep) File(name string)

func (*Grep) Reader

func (g *Grep) Reader(r io.Reader, name string)

type Regexp

type Regexp struct {
	Syntax *syntax.Regexp
	// contains filtered or unexported fields
}

Regexp is the representation of a compiled regular expression. A Regexp is NOT SAFE for concurrent use by multiple goroutines.

func Compile

func Compile(expr string) (*Regexp, error)

Compile parses a regular expression and returns, if successful, a Regexp object that can be used to match against lines of text.

func (*Regexp) Match

func (r *Regexp) Match(b []byte, beginText, endText bool) (end int)

func (*Regexp) MatchString

func (r *Regexp) MatchString(s string, beginText, endText bool) (end int)

func (*Regexp) String

func (re *Regexp) String() string

String returns the source text used to compile the regular expression.

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