Match any value between two less than and two greater than symbols.

Extract movie ID from URLs like YouTube and Vimeo

Validate GUID using a regex expression

When you copy a skype conversation and paste it in a text area then it includes timestamps, User's name and whether or not the message had been edited. This matches all of those in seperate groups for easy substitution

12.04.1975T03:02:00.88 With milliseconds and T seperator. Excludes most invalid dates, except 30/31ths of month, leap years/february heaving only 29/28.

This regex will find all CSV separator that are not escaped