From a (fairly large) list of User Agent strings, extract the OS, Browser, and Device Type.

This regex matches only when all the following are true: password must contain 1 number (0-9) password must contain 1 uppercase letters password must contain 1 lowercase letters password must contain 1 non-alpha numeric number...

This regex prevents the writing of non-standard conventional commits. I'm available on my github

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

extract video id, index, play list id from youtube url

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

grabs the ID for the regex101.com permalink to code

The BNF rules from RFC 5322 transformed to PCRE by Nikita Popov and described in the post http://nikic.github.io/2012/06/15/The-true-power-of-regular-expressions.html.

Regex used in Splunk to extract fields from Mikrotik FW. NOTES: Mikrotik must be configured to use "BSD Syslog" format FW rules must add, as log prefix, the action: drop accep...