acepts 1.000 and 1000

2010-2012

This matches a ASP Cookieless SessionId. Useful if, for example, after deprecating Cookieless sessions you want to redirect any clients with a cached sessionId to the plain url.

Find all BR tags in a string

preg_math_all only. ex.: http://doman.com, http://doman.com/, http://doman.com/?query=1,http://doman.com?query=1, domain.com, doman.com?query=1 and other

gutoregex

Matches any telephone number with region parentesis, or separated by points or dash or spaces

Splits a line into three parts: completed sentences from the previous line, any complete sentences, and any uncompleted sentences.

Verifies YouTube video links AND pulls the video ID from them in a matching group. Works with all capitalizations. It also matches the WHOLE link but sorts the video ID into a group. Works with JavaScript, PHP and Python. (Not tested with any other Regex engine) ...

This regular expression will match the version string of a debian package

For python regex, substiution not working properly. It is not replcing matched content of $1... and so on. Please take a look.

a simple url regex which prevents matching of a trailing ">" (the html representation of a closeing angle bracket ">")

simple url regex which also prevents capture of a trailing ">" (the html representation of ">")