Matches ISO 8601 date formats

Find all href in a tag

Accepts all positive numbers above 0. Accepts numbers with leading zeroes e.g.: 0123, 00123.

For float type inputs.

This regex grabs all kinds of imgur links and groups them in meaningful names aswell. This way you have full flow-control in your python-scripts.

Useful for filename sanitization. Matches invalid filename characters. Can be used in preg_replace() calls.

Allow only two or more labels. Fix deprecated FQDN regexp not passing on test "dicas-l.com.br"

Matches all valid IP addresses from 0.0.0.0 to 255.255.255.255

From 1970 to 2015 Replace: (\d{4})$ for (19[7-9]\d|200-1)$

UK phone number