dis is why you match shit lots

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.

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.

find leading zeros in ipv4 adresses