dateFormatDDMMYYYY static method

bool dateFormatDDMMYYYY(
  1. String str
)

Validate string as a date.

The str parameter should be a string representing a date in the dd-MM-YYYY format.

Returns true if the str is valid, false otherwise.

Implementation

static bool dateFormatDDMMYYYY(String str) {
  String pattern =
      r'/^(?:(?:31(\/|-|\.)(?:0?[13578]|1[02]))\1|(?:(?:29|30)(\/|-|\.)(?:0?[1,3-9]|1[0-2])\2))(?:(?:1[6-9]|[2-9]\d)?\d{2})$|^(?:29(\/|-|\.)0?2\3(?:(?:(?:1[6-9]|[2-9]\d)?(?:0[48]|[2468][048]|[13579][26])|(?:(?:16|[2468][048]|[3579][26])00))))$|^(?:0?[1-9]|1\d|2[0-8])(\/|-|\.)(?:(?:0?[1-9])|(?:1[0-2]))\4(?:(?:1[6-9]|[2-9]\d)?\d{2})$/';
  RegExp regExp = RegExp(pattern);
  return regExp.hasMatch(str);
}