const regexp/syntax.flagM

6 uses

	regexp/syntax (current package)
		regexp.go#L107: 	flagM                           // (?m:
		regexp.go#L172: 		return flagM, 0
		regexp.go#L176: 			return 0, flagM
		regexp.go#L236: 		if f&flagM != 0 {
		regexp.go#L242: 		if f&((flagM|flagS)<<negShift) != 0 {
		regexp.go#L244: 			if f&(flagM<<negShift) != 0 {