PHP Password validations using regexp

Passwords are very important security matters. How can the web developer be sure, that some security guidelines were implemented when passw...

Ip address validation in PHP using regular expression

If you don’t know how to validate the IP address format in PHP, then you are in the right place.I’ll show you here how to validate the IP a...

Using Regular Expressions with PHP

Regular expressions are a powerful tool for examining and modifying text. Regular expressions themselves, with a general pattern notation a...