Check if the string has a minimum of 6 characters, at least 1 upper case char, at least 1 lower case char and at least 1 number with no spaces.

Matches a geolocation coordinates string consisting of latitude and longitude separated by a comma with up to 7 decimal places precision.

Matches more thoroughly than others in the library. Based on http://stackoverflow.com/questions/164979/uk-postcode-regex-comprehensive. Matches: W1A 1AA, WC2H 7LT, SE50EG

phone number without spaces or hyphens +7YYYXXXXXXX

Validates valid Oracle Stored Procedure names

Parses Smokey messages

Validates all formats of phone numbers for international calls. Accepts all kinds of internationa call prefixes.

Capture the input if the pattern is NOT found

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

Names with only one spacing allowed in between words.

Testing Franklin related regex matching cases.

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 ?>