Regular Expressions 101

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 ..?

Only meant as an initial client-side filter to override the default input[type=email] validation done according to spec, which is much too simple. Inputs passing this regex MUST get validated in a more fine-grained manner again when received on the server-side

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

links validation

This is used for simple email validation

(?!..]{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_.-)?

address validation from the first two segments of an IPv6 address

validation of IPv4 addresses

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

tas-branch-validation

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.

Regex from the Mail::RFC822::Address: regexp-based address validation Access here

This is an Email validation using RegExp.

Can be used to validate on URL's.

IP address validation

Source Mozilla.