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Matches a HTML5/custom element valid tag format .

Matches decimal numbers as accepted by e.g. Octave.

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find ids of video in dailymotion urls in text

Strip Android Logs of Date/Time and process. This helps if you want to diff 2 logs and remove the different date/time and process numbers

A pattern to parse Amazon Web Services ARNs into their varying components: Partition Service Region AccountID...

Match % signs of sequences that aren't valid "percent-encoded"

Regex to find product codes that are usually all upper case with numbers or all numbers with possible hyphens, slashes or dots as delimiters. Anything that matches the date format ##/##/##?? with various delimiters will not match. Require that the code contains at least 1 number. ...

Define los parámetros para la consulta de los datos del departamento.

Spamlord assignment: this regex detects email addresses in text.