Telephone number strict international section :- starting with '+' or '00' flexible local section for wider international and allows spaces for visual formatting Close enough for many requirements. Tweak to match your country/circumstances better. ...

For each that it founds, it inserts a <![CDATA[ ... ]]>

https://emailregex.com/

Without lookaround, this regular expression also accepts P and PT as valid duration strings. If your library supports lookaround, I recommend that you use Full ISO 8601 Duration with lookaround (also in the library) instead, which will also reject P and PT.

With lookaround, this regular expression will reject P and PT as invalid duration strings. If your library does not support lookaround, I recommend that you use Full ISO 8601 Duration without lookaround (also in the library) instead, with the caveat that you will need to verify the string is not P o...

Get all ampersands, but omits the ampersands that are part of any HTML entities.

There may be circumstances when you need to determine if there is any usage of XCTest's @testable annotation in unit test cases. One usage of this regex could be for a custom SwiftLint rule to require or disallow usage of @testable

FInds a valid date string in the formats mm-dd-yy or mm/dd/yy, as well as mm-dd-yyyy and mm/dd/yyyy.

Validates a common format for OAuth scopes.

Invalid entries still can be interpreted, e.g. encode(0xAB) => qw== however invalid encoding qx== still can be correctly decoded: ...

Supply an appropriate regular expression which will find all words which have the character ‘a’ in them, then 0 or more characters later have the string “epe”, then 0 or more characters later have the character “y”. The “y” character must occur AT THE END of the word in question, but the first ‘a’ d...