Regular Expressions 101

Matches an ISO8601 date time string, including fractional time. Does not exclude non-existent times (such as the 29th february in non-leap-years)

ISO8601 Date Interval with support for fractional values and repeating intervals. DOES NOT SUPPORT fixed intervals (e.g. 2016-03-22P3D or 2016-03-22T14:00Z--2016-03-2518:00+02:00). See https://regex101.com/r/iN2zO9/1 for a ISO8601 date time regex.

yyyy-mm-dd

Test for all ISO 8601 date formats and only accept valid dates, e.g. 2016-02-29, but not 2016-02-30 or 2017-02-29.

PubMEd XML contains multiple date blocks, with or without Month, day, hour, minute. USAGE: while(my($pubstatus,$year,$month,$day,$hour,$minute)= $article =~ m% (?:\s* (?:\s(\d?)\s)* (?:\s(\d?)(?:)?\s)...

Any date that as a valid month, a valid date and a year composed of 4 numbers. You can change the '-' caracter to any divider you want.

Any date that as a valid month, a valid date and a year composed of 4 numbers. You can change the '-' caracter to any divider you want.

The RegExp validates ISO8601 date and time (without milliseconds) with timezone offset.

Date for spanish calendar

regex for iso 8601 date between 1970 and 2999 that match only valid date, the only mistake possible in this regexp is the bisextile year how are not checked

regex for iso 8601 date between 1970 and 2999 that match only valid date, the only mistake possible in this regexp is the bisextile year how are not checked

date regax

Thur 10 Tue 2 Mon 1 e.t.c

Not accurate

Parse the date from an Apache Error Log in the format of "Wed Jun 01 20:05:21.12345 2016"

Following inputs are accepted dd.mm.yyyy while 29.02.2016 accepted, 29.02.2017 is not. also some months last days should be 30, not 31 ...