Regular Expressions 101

opinionated email validation based on https://en.wikipedia.org/wiki/Email_address. i have excluded some email patterns that don't seem to be common

Regex for matching Japanese characters

Validate email

Solves the practice problem from https://www.sitepoint.com/learn-regex/

Supposedly 99.99% effective way to capture most potentially-valid email addresses in .NET syntax.

This format is just for precheck use. It will not validate completely. If you want for more validation you should call webservices.

check valid email

Writes a regular expression that performs simple email validation An email consists of: username @ domain name Usernames are alphanumeric Domain names consist of two strings, separated by a period Domain names may contain only English letters ...

regex code for US telephone number validation for freecodecamp exercise

Validates a password that has 1 lowercase character, 3 uppercase characters, 1 special character, 1 number and the total length of 8 characters. These are minimums of course, it can have more of each.

This expression validates if a string is a YouTube video. Note this will not work for playlists.

This expression validates if a string is a YouTube video. Note this will not work for playlists.

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It will validate linkedin profile url validation in client side. using javascript

just a us mobile no validator

Email Validation Pattern

(?=.[A-Za-z])(?=.\d)[A-Za-z\d]{8,}

RTO code for validation