handling nil fix

ml_string.cpp

@@ -30,7 +30,6 @@ bool regexp_search(const std::string &where, const std::string &regex_str) {
 		// for (size_t i = 0; i < match.size(); ++i)
 		// 	std::cout << i << ": " << match[i] << '\n';
 		// std::cout << "Suffix: '" << match.suffix() << "\'\n\n";
-
 		return true;
 	}
 	return false;