regexp

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
}

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