Regular Expressions 101

This will look for a software version within a single line text entry.

Finds all occurence in a plain text / html text where a text is between 2 hashtags : #text#

This regex will find any hexadecimal colour code, anywhere in your string Support for: mini 3 letter codes normal 6 letter codes back to back codes

Match SGML and XML elements.

Match all valid URLs Examples: Valid URLs: https://www.example.com/ http://subdomain.example.net/ https://www.subdomain.example.com.uk/params...

Prepare batch job for opportunity close

Patron para la busqueda de URLS En sitemaps de blogs

([a-z])(?!.*\1)

A simple expression for removing Tailwind CSS classes that are prefixed with dark: from your HTML. Can be easily changed to remove any other classes with a specific prefix. I made this so I could easily remove dark mode from Tailwind CSS components I find online.

the various parts of a git url are dissected and made available in the respective capture groups

Using regex, you can use a pattern that takes three comma-separated elements and then extracts the third element from inside the brackets.

Checking whether all [b] tag pairs are present in *.dsl text

It allows to divide the full name into its three parts

to remove language wrapper in markdown files

HGVS Nomenclature Check for ClinVar Submissions

Or any other particular case where given any line that starts with the pattern "@apply" (or any other line heading) and it substitutes any word (list of characters without spaces), with or without puntuation in them, and it adds a custom prefix to all the words in that line but the line heading.

https://docs.microsoft.com/en-us/windows/win32/fileio/naming-a-file Integer value zero, sometimes referred to as the ASCII NUL character. Characters whose integer representations are in the range from 1 through 31, except for alternate data streams where these characters are allowed. For more info...

Validate localhost:port, 127.0.:port, 192.168.:port

aa

marks ends of lines with ; (if you wrote something as an example in python and switched to php and you are too lazy to write ; after each line) doesnt marks it where its not supposed to mark (after { ( [ = , : and ; as an example