This allows to the programer to match the time format groups, in a way that allow to discard some parts of the format. E.g. I have a format HhMmSs and i want to ignore the 'Ss' part from the format when I have no Seconds

Extracts lines with i18 prefix from text

Local variable and function parameter names should comply with a naming convention

Based on http://www.regular-expressions.info/creditcard.html This example includes test strings. This only validates the pattern, and not whether the credit card number passes a checksum validation. See the Luhn algorithm for details https://en.wikipedia.org/wiki/Luhn_algorithm...

Switches the order of two functions in a parameter.

Given a number N represented by its unary form N(1), when RegEx doesn't match N(1), N is prime

don't use my older one

To convert the BizTalk schema output to one string

Find any url('~filename.jpg'). URL must contain tilde

Matches words without external punctuation but with internal punctuation.

Everything, including proto, user:pass, host, query params and anchors

stackoverflow question

Unicode user name check with som allowed non-alhanum characters