func regexp/syntax.isCharClass

6 uses

	regexp/syntax (current package)
		parse.go#L543: 				(isCharClass(first) || (first.Op == OpRepeat && first.Min == first.Max && isCharClass(first.Sub[0]))) {
		parse.go#L587: 		if i < len(sub) && isCharClass(sub[i]) {
		parse.go#L1155: func isCharClass(re *Regexp) bool {
		parse.go#L1234: 	if n >= 3 && p.stack[n-2].Op == opVerticalBar && isCharClass(p.stack[n-1]) && isCharClass(p.stack[n-3]) {