Regular Expressions 101

Note: replace the "\." with "\\." if you paste this on your java. The regex will match if the package name is valid. example: my.new.hello.world.app Supports: a-z 0-9 and underscore Supports multiple dots

Validate an Emirates ID number, with or without dashes. Please note that this does not implement the Luhn Algorithm, which should be applied in conjunction with simple validation.

This regex is for validating website url Only accept http and https With or without www With or without subdomain .com or dot any With any sub path...

Sri Lankan Land/Fixed-line Telephone Number Validation This expression validates if a given value is a valid Sri Lankan fixed line / land line telephone number. Sri Lankan land line numbers starts from 0 and does not contain 7 in the 2nd digit, and is 10 digits in length. ...

See https://en.wikipedia.org/wiki/Telephone_numbers_in_Sri_Lanka

Sri Lankans have two types of identifiation numbers. National Identity Card number Sri Lanka Identity Number National Identity Card number...

This regex matches most of the rules of conventional commits .

There are specific requirements for the different components of a UNC path. While it's possible to try and validate the entire UNC path in one go, you quite often end up needing to break the path down anyway unless simply handing it off to some other library (in which case they should be providing v...

custom validation for card name with custom validation. only allow these characters Alphanumeric (A-Z a-z0-9) Special Characters (#&+()/)

Validation of the date of time, taking into account the high year in the format date.ToString("yyMMdd-hh_mm_ss").

valid prod

Password requirements: Contains at least one uppercase letter. Contains at least one lowercase letter. Contains at least one digit. Does not contain any whitespace characters. Has a minimum length of 8 characters.

Extract the Data from Sri Lankan National Identity Card The SL NIC could be divided into two groups, Before 2016 (9 alphanumeric digits with one English letter) After 2016 (12 alphanumeric digits) ...

^([a-z0-9]+(?:([-]+|[.])[\w-]+|[-]))@([a-z0-9]+(?:([.-]\w+)\.)[a-z]{2,13})$

ECMAScript simple regex for email validation

Source: https://html.spec.whatwg.org/#e-mail-state-(type=email)

Regex URL validation pattern

refer to https://mobile.kapook.com/view7358.html

JS/TS regex for token validation.

Validates protocol, sub-domain, domain, and top-level domain. No port number and query string parameters validation is made.