How to create a small Ruby script that will remove duplicate classes/blocks from a css file.

How to add various links to Twitter entries, linking to @user and searching for #something for instance.

In this regular expression we are going to find out All Four to Six letter words. A word is a unit (member) of language that represents a concept which can be expressively communicated with meaning.

Finding Blank Lines using regular expressions In this regular expression we are going to find out blank lines. Means we are going to search lines containing only spaces (or Whitespace) and end of line.

In this regular expression we are going to find out All Words. A word is a unit (member) of language that represents a concept which can be expressively communicated with meaning. A word consists of one or more morphemes which are linked more or less tightly together, and has a phonetic value.

email address are the means of communication with people around the world. While processing forms email address validation plays an important.

This regular expression will check for valid Internet Protocol (IP) address. Here we are going to search four decimal numbers groups, each separated by a dot. each set contains zero to three digits.

Regex are more powerful and we want to do more than simply search for literal pieces of text. There are certain reserved meta-characters with Special uses and meaning.

Tutorial on how to make a jQuery plugin that can decode and encode HTLM that is already in the DOM.