Sometimes we want to hide some content at first page load to reduce bandwidth transferred to the user. Usually when we just want to show the thumbnails of the image and then the original (big) sized image hidden next to it.

In this article I will show the difference between the default greedy (.+ and .*) and non-greedy matching using Perl-compatible regular expression.

Annoyed with form submitters that keep fills the email form field with an invalid email? You can use javascript’s regular expressions to validate it. There’s so many regular expressions form to validate e-mail on the internet but many of them is very long and difficult to understand to modify to suit my need. The regular expressions is expressed below:

/^([\w-]+(?:\.[\w-]+)*)@((?:[\w-]+\.)*\w[\w-]{0,60})\.([a-z]{2,6}(?:\.[a-z]{2})?)$/i

This is another trial post from WordPress blog to my Facebook Account. This is done after analyzing from previous error which is mentioning that fopen() function is failing. I already fix it by allowing fopen to open url in server’s PHP configuration. Will it work?