Regular Expressions 101

Domain can be an IP address, except 0.0.0.0 Domain with length of 1 accepted Only acceptable symbol in Domain is "-" (hyphen) Not allowed in start, end or twice in a row (same for "." (dot))...

This recognizes phone numbers, including country codes if they're present.

Used to validate the list of MAC addresses is formatted correctly. The list of MACs can use ":", "-", or "." as a separator: Example with a "-" separator: 00-11-22-33-44-55 Example with a ":" separator: 00:11:22:33:44:55 ...

Regex to validate an email input with the following rules... Whole address: Up to 254 characters. Case insensitive. Username and domain separated by @ symbol....

^a-zA-Z+@[a-zA-Z]{3,20}\.[a-z]{3}$

This expression validates russian phones in different formats

Validação de código de barras boleto padrão "FEBRABAN - Federação Brasileira de Bancos".

Comes with choice of four separators

Validates mail addresses

Checks in input for matching social security numbers in Denmark

This one makes sure to not match 31 in months where it does not exist and cuts off february at 28. Might need to do special check for 29th of february ..?

It validates the RGB expression doesn't break the CSS parser.

(?!..]{2})((https?|http)\:\/\/)?([a-z0-9+!(),;?&=\$.-]+(\:[a-z0-9+!(),;?&=\$.-]+)?@)?([a-z0-9-.-.]?(?!.\/).)\.([a-z]{2,1000})(\:[0-9]{2,5})?(\/([a-z0-9+\$-]\.?)+)\/?(\?[a-z+&\$.-)?(#a-z_.-)?

https://regex101.com/ https://www.cloudways.com/blog/prevent-laravel-xss-exploits/ https://cloudways.com

Use to validate basic website URLs with or without http://. I took bits and pieces of other regexes I found and compiled into one that worked well for my purposes.

Validates email

Extract this regex from EmailValidation.php

Validate a modified Version of https://udacity.github.io/git-styleguide/

This RegEx validates whether a number is in the standard valid Nigerian mobile number format or not.

Can be used to validate on URL's.