acepts 1.000 and 1000

\_\d(.+) for _2015041122

Telephone number can come with extra characters to denote country, region, etc

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

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

matches a list of comma separated dates in the form dd/mm/yyy. Between two dates must be only a comma. no other character are permitted: matches: 12/03/2011,23/19/1967 Doesn't match: 23/02/2010, 11/11/2011

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

test

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 ">")

Last captured word available via group W. Last captured sentence available via group S. Last parenthesis stuff in 6th capturing group.

This is not supported in Javascript! Works well for php, python. Examples: +91-8800119719, 08800119719, 8800119719, +918800119719 etc.

Matches every polynomial you want ;)