Replace letters in email address but left the first and last letter before and after @

Remove all tags and special character such as  

ss

"1.2.3" Group 1: 1 Group 2: 2 Group 3: 3

In an HTML will replace all auto-closed tags (/>) with a proper tag closing. It works even if the tag has a closing sign (>) inside an attribute.

PHP serialize / unserialize __sleep __wakeup __serialize __unserialize

Use to get any character, digit or space between parentheses

/^(?P0|[1-9]\d)\.(?P0|[1-9]\d)\.(?P0|[1-9]\d)(?:-(?P(?:0|[1-9]\d|\da-zA-Z-)(?:\.(?:0|[1-9]\d|\da-zA-Z-))))?(?:\+(?P[0-9a-zA-Z-]+(?:\.[0-9a-zA-Z-]+)*))?$/gm

Get ip address (only ipv4) Validator

Get ip address (only ipv6) Validator

Get ip address (only ipv4) Validator

A simple regex to match individual arguments of a function.

Parses MS SQL Server version returned from executing SELECT @@version

A "simple" regex to parse mime types. Handles all commonly occurring parts of a mime type string such as: Type Subtype Subtype's with an extra extension (e.g. svg+xml) (Optional input) Multiple parameters (Optional input)...

semantic tags

kt SDKV2

Go SDK v2

React SDK V3

This expression isolates a string or many strings of any caracthers that are preceded and are followed by a pair of colons in a long text string. Practical for tooltip insertion. Find a word in the string, search in the database, construct the tooltip and insert within the returned string. Use wi...

Parse XDCC filename strings for a name and episode. Appears to work for most major bots but unreliable for any data other than name and episode number/version