Detects SYNTACTICALLY correct chess moves (i.e. it doesn't check whether the move itself is actually valid)

An advanced URL regex for http(s) and ftp.

Capture group one is the tag's name, capture group two is the tag's contents.

break down a url to it's components

few

Will select everything between the double quotes in an Iframe's src tag. Useful for retrieving/replacing the URL.

Singular

Valide si la chaine est une numéro de téléphone portable

url

Should match ISO 8601 datetime for Forecast.io API: [YYYY]-[MM]-[DD]T[HH]:[MM]:[SS] with an optional time zone formatted as Z for GMT time or {+,-}HH (with or without separating colon) for an offset

Grabs the ID and optionally version number for the regex101.com permalink. Improved fork of 'https://regex101.com/r/wY0rM7/1' which matches also this kind of links 'https://regex101.com/r/' ...

Patrón para detectar links, menciones de usuarios y hashtags dentro de una cadena de texto.