This regex should extract the subdomain, if any, or the domain, if no subdomain is used, from an arbitrary URL

Extracts values of the form £nnn,nnn.nn or $nnn.nnn from text

Validates IPv4 IP Address

The secret of the Twitterverse.

Parse an English date following the "dd mmmm yyyy" format.

Checks that a password has a minimum of 6 characters, at least 1 uppercase letter, 1 lowercase letter, and 1 number with no spaces.

YourLink - not found AnotherLink - found

This regex validates varying types of telephone numbers.

http://stackoverflow.com/q/25778420/2072035

used to parse timezone in the format -08:00 or +05:30

trim string

Matches text within quotes (", ') and escapes the charecters.

This may be useful or not to test whether a given string is a valid (more or less) html color value. It matches color values such as: #123 - short hex color value #123456 - hex color value rgb(255,255,0) - rgb color value rgba(255,255,0,1.0) - rgba color value hsl(360,100%,100%) - hsl color value...

Attempts to mimic Google search box behavior, returning an array with the separated search strings (that keep the +/- indicator for following operations)

use this to get value of any side of an equation. You can combine this with https://regex101.com/r/fH5kJ1/1

Finds Typescript's reference path syntax.