This extracts the "root" (e.g. drive) from a Windows path. See the unit tests for examples

I use this regex to quickly convert the class' variables into a string which is usable with the "function" array. I copy-paste the varialbe name and use this regex. Useful to convert all your variable and put it in the magic function __sleep(). After it, you can delete the variables you don't want.

Parse a Finnish date with de "dd. mmmm yyyy" or "dd.mm.yyyy" format.

This regex removes double-slash comments while avoiding anything between 'quotes' or "double quotes".

Grabs the ID and revision from the URL.

Matches any text starts with ""; Tag exclusions described in first non-capturing group (can be removed); Tag name will be captured by group #1;

2010-2012

Verifies YouTube video links AND pulls the video ID from them in a matching group. Works with all capitalizations. It also matches the WHOLE link but sorts the video ID into a group. Works with JavaScript, PHP and Python. (Not tested with any other Regex engine) ...

For python regex, substiution not working properly. It is not replcing matched content of $1... and so on. Please take a look.

It may be useful inorder to replace those lines with li

Simple name matching Matches english names only, you may add international characters to list of characters.

Any mail address

Matches ranges from 0-255 for all four octets. Extra leading or trailing '.' invalidate the match, as do values > 255.

This regex can be used to parse the "general", "video" or "audio" stream metadata returned by the mediainfo.dll inform() call.