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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.

Spamlord assignment: this regex detects phone numbers in text.

This regex is a duplicate of another one, but with a minor modification to support subdomains with one or more "-" in it. ie:

Python 正则匹配中文、中文全角逗号句号和问号

learning regex in python

decimal nr between 0-99999.99 with comma or dot with max. 2 decimal digits