Regular Expressions 101

This REGEX could be used to validate a PHP DateInterval specification.

Substitutes a group of dates by its information and captures the date information. Also allows fooled dates. (2015-02-30, 2015-03-32 for example)

Works for the Julian calendar, dates between 0000-01-01 and 9999-12-31. Includes my birth date in the 4th example.

Match a slovak date following the "dd. mmmm yyy" format.

Parse a bulgarian date following the "dd mmmm yyyy" format.

matches a list of comma separated dates in the form dd/mm/yyy. Between two dates must be only a comma. no other character are permitted: matches: 12/03/2011,23/19/1967 Doesn't match: 23/02/2010, 11/11/2011

Parses date-time duration strings +-1y2M3d4h5m6s, where 'm' is the dafault. Like this, where {} contains list of capturing groups: 21 - parsed as {,,,,21,} 2y2s - parsed as {2,,,,,2}

date should be in format YYYYMMDDHHMMSS

match dd-mm-yyyy

Date Validation with leap year handling, & it takes care of date validation in the format like :mm/dd/yyyy or mmddyyyy or mm-dd-yyyy or m/d/yyyy or m-d-yyyy. 12/01/1986 02/29/2016 02/29/2015 13/31/1986...

This is a regular expression for date in javascript. It validates the month between 01-12 (double digits only). It validates the day between 01-31 (double digits only). And enforces 4 digit year (no validation for range).

Date Regex for Javascript

Date javascript