extractByRegex method

String? extractByRegex(
  1. String text,
  2. String regexp
)

Implementation

String? extractByRegex(String text, String regexp) {
  RegExp regex = RegExp(regexp);
  RegExpMatch? match = regex.firstMatch(text);
  if (match != null) {
    return match.group(1)!;
  }
  return null;
}