Easy US phone numbers

Easiest Way to Use: $datetime = new DateTime(); $datetime->setTimestamp($timestamp); $datetime->modify($operator . $hours . ' seconds');

designed to work specifically with the parser of the python dateutil package

http://www.pelagodesign.com/blog/2009/05/20/iso-8601-date-validation-that-doesnt-suck/

Regular expression with named groups for email addresses

match ip address

Encontra qualquer preço presente num documento.

For example, when it is needed to match the string "Tarzan" (without the quotes), in "Tarzan and Jane", and "Jane and Tarzan", but not in "Tarzan" (with the quotes). The wanted string is in Group 1.

Get the Path, Leave the File