isRegex method

AbstractRuleBuilder isRegex(
  1. String pattern, {
  2. String? message,
})

Checks if the object matches a regular expression

Implementation

AbstractRuleBuilder isRegex(String pattern, {String? message}) {
  return must((dynamic dyn) => dyn is String && RegExp(pattern).hasMatch(dyn), message ?? "String must match regular expression $pattern", code: "notRegex");
}