Простенька демонстрація пошуку смайлів за допомогою регулярних виразів

From a (fairly large) list of User Agent strings, extract the OS, Browser, and Device Type.

Matches everything except content between and

First pass at a way to find credit card data using regex.

Matching numbers related to financial amounts. Does not consider the type of currency. Will not match: 34 1.005 33,00...

Matches numbers that are likely to by financial amount. Does not consider the type of currency.

Retrieve username or user id and post id, example urls: https://apis.google.com/u/0/wm/1/118176280023244994777/posts/4q6esduuinn https://plus.google.com/+Username/posts/4q6ezduuinn https://plus.google.com/118176280323144994777/posts/4q6ezduuinn

Capture alternative items matching end of lines country codes

test

My RFC 5322 implementation for email validation with few limitation on top level domain name

relative to absolute

Parsing html with regex is bad though.