Useful to expand links without a protocol header with a base url src="/bla/blubb" --> src="http:/foo.com/bla/blubb"

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Check if HTTP Header of Cache-Control has all nessery values for highest security

Check if HTTP Header of Public-Key-Pins has all nessery values for highest security

MSISDN filter. Should match worldwide phone numbers. It doesn't work for numbers with dashes, so just replace them with empty strings, or edit as you wish.

Useful to work with GoogleMap API.

inspired by https://mathiasbynens.be/demo/url-regex and the pattern from @imme_emosol

Validate Israeli common phone numbers (simple landline and mobile only, no special / free / premium numbers)

Get Content within brackets

(http(s)?:\/\/) // http:// or https:// (([a-zA-Z0-9_\-])+(\.([a-zA-Z0-9_\-])+)+(:[1-9]+[0]*)?)(\/?| // basic url f.e. www.wp.pl with obligatory / at end ...