Search a string for PHP-like variables starting with $, containing an unlimited number of non-whitespace characters and ending with a word boundary of any kind

Validates most types of URL's and IP addresses. NOTICE! remove "?" after first non-capturing group to forse check protocol.

it's to use to get all tags. not easy to implement because some link in php with ? or > can make trouble to get the closure ?>

US zip Code

Javascript date regex

find action,form,forward struts Remplace @ACTION@ = action struts Remplace @FORM@ = form name struts Remplace @FORWARD@ = forward name struts

This regular expression parses the uri of an one-time password typically masked by a QR Code. The expression supports the core hotp and totp, name, secret and optional counter (for hotp)

United States City name validation

Comprueba si una fecha está en formato ISO: aaaa/mm/dd. Obtiene 3 datos: 1=año; 2=mes; 3=dia, para su cambio al formato español dd/mm/aaaa. Detecta si el mes y el día pueden existir (no incluye mes febrero ni bisiestos)

For testing domain with TLD regExp.test("google.com") => true regExp.test("mad.engineering") => true

//Accepts whitespaces and positive numeric values including integers and decimals(dot or comma optional) with 3 precisions only. //Ex: "999", " 999.999", " 999.999", " 999,999", " 999,999" -> ACCEPTABLE

Validate an url with hostname or ip and port. Furthermore provides: the entire url the protocol the hostname/ip the port the path the querystring