Regular Expressions 101

Regex supporting all formats of ISO 8601 dates (with timezone and microseconds) that are compatible with PHP DateTime constructor and strtotime.

This pattern validates all the possible dates for all months in YYYY-MM-DD format. Due to limitations of regex it can not validate the dates of february for leap year. It will allow the date 29 for leap year too. Make sure to validate that yourself.

Parses date in (Month Day Year) format with delimiting chars being -\/ or whitespace

Validates DateTime of format YYYYMMDDhhmmss including Leap Year

This catches a few formats for dates, including the year, and seperates as much as I think at the moment is possible to make it easy to manipulate the needed data points in the expression

Detects Dates in Various text formats

Check that the template call has the parameter 'Publication Date' filled in

Patternmatching of several Daterange Patterns Quarter 2021-Q2 Range...

Transform a date string like: Mon Nov 10 1957 12:34:56 UTC +08:00 into: 11/10/195 12:34:56

Name:Jose Luis Torres Email:ptapia1977@yahoo.com Phone:7739889785 Username:trabajando CreditCard:4190025858706384 Expiration:10/14...

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.

This my first regExp)

For flags data

lookahead

yyyy-mm-dd