const regexp/syntax.OpBeginLine

6 uses

	regexp/syntax (current package)
		compile.go#L115: 	case OpBeginLine:
		op_string.go#L17: 	_ = x[OpBeginLine-7]
		parse.go#L955: 				p.op(OpBeginLine)
		regexp.go#L46: 	OpBeginLine                    // matches empty string at beginning of line
		regexp.go#L171: 	case OpBeginLine, OpEndLine: // (?m)^ (?m)$
		regexp.go#L309: 	case OpBeginLine: