Very good post to understand basic regex Expressations

Here is a wonderful post to understand how regex can be used for most basic matches and valiadations in general.

This can help better understanding for making more complex use

In computing, regular expressions provide a concise and flexible means for identifying strings of text of interest, such as particular characters, words, or patterns of characters.


Popular posts from this blog

Difference between rake db:migrate db:reset and db:schema:load

Install Multimedia codec (offline) without internet connection in Ubuntu

rails 3.2 with jruby and mysql with rvm in ubuntu