Allows inserting expiry date as MM/YYYY or MM-YYYY format

Pattern matching and extracting color code formats using RegEx. https://github.com/Kyza/color-regex/

Allows phone numbers with optional country code, optional special characters and whitespace

RegEx email /^((?!\.)[\w-_.]*)(@\w+)(\.\w+(\.\w+)?)$/gim; Just playing with Reg Ex. This to validate emails in following ways ...

The secret of the Twitterverse.

Safe Password that allow only with a number, a lowercase, a uppercase, and a special character

general purpose HTTP URL regex

Capture comma separated numbers, no matter if there are spaces before or after the commas.

Checks for valid UK/British postcodes. There was another on here that had for some reason been upvoted, but it was actually incorrect as it worked on none of my valid own postcodes! Namely that it assumed two letters and a number (BS3) when you can have variations (M20). Allows for an optional spac...