Accomodate for Discord's username changeover and match against either the old username or the new username. But only one or the other. Match: CesarHvl#9000 cesarhvl cesar.hvl...

A simple parser to exact all the components of a URI/URL as named groups

Verifies a phone number

Trim leading/trailing space on a string: do not use /gm flags. Trim each line of a multiline string: use the /gm flag.

Capture out Parts using regular expressions

Match phone number with extensions or not

Very crude, but effective email validation.

This pattern matches to the facebook post embed codes. It matches on each parts of the whole embed code individualy, and matches on the complete embed code either, but it requires minimum a fb-post div.

Matches the URL from the text to 95 percentage

Teléfonos del territorio de España. Se admiten teléfono de 9 cifras que empiecen por 9, 7 ó 6. Opcionalmente puede tener el prefijo de país siendo válidas las siguientes opciones: (+34) (0034) +34 0034 ...

Pattern that check your string to match Twitter user profile URL.