Searches for dotted decimal IPv4 Adresses and saves the numbers in match groups.

This is why

Telephone number can come with extra characters to denote country, region, etc

tests to find if ("google.com") is the domain part of the URL

Only captures value for converting percentage to decimal. Returns empty if percentage but no value. no match = no percentage found

Trying to capture a mac-address structure

How to match the first line of a xml document

http://stackoverflow.com/questions/2362985/verifying-a-cron-expression-is-valid-in-java

To get a variable name from a source code: The variable name is before the '=' (equal sign) This is the way to detect. Problem: Only 1 variable can get from 1 line. Unfortunately, this can get variable between after "//" and before ";" too. I made this for fake script debugger. Just get variable f...

Oltre a supportare le omocodie controlla in modo restrittivo il carattere relativo al mese di nascita

Matches a valid CSS3 url() property

if you are as lazy as me and want to replace every "=$_POST['name'];" using Dreamweaver or any development tool that allows using regular expressions to search in current file/document.