https://docs.asciidoctor.org/asciidoc/latest/blocks/hard-line-breaks/

The expression is intended for finding one or more embedded Base64 Data URI in an HTML document. It will not find matches for any HTML surrounding the encoded Data URI match ( tag or src attributes), just the encoded data and MIME header, all that's needed to decode. The MIME type is for images in ...

https://docs.asciidoctor.org/asciidoc/latest/text/subscript-and-superscript/

https://docs.asciidoctor.org/asciidoc/latest/text/subscript-and-superscript/

https://docs.asciidoctor.org/asciidoc/latest/blocks/delimited/

https://docs.asciidoctor.org/asciidoc/latest/blocks/delimited/ only basic syntax

Spotify ID regex

?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[]^_`abcdefghijklmnopqrstuvwxyz{|}~абвгдеёжзийклмнопрстуфхцчшщъыьэюяАБВГДЕЁЖЗИЙКЛМНОПРСТУФХЦЧШЩЪЫЬЭЮЯ !"#$%&\'()*+,-./0123456789:;

I was converting from markdown to another format & it didn't allow images in headers so this Regex finds an image in a header & moves it before the header.

Pull the Client URL out of the Asana description field using targeted expression.

A well equiped regex

Soundcloud pattern

YouTube regex pattern v2

https

whodis

Any number of digits is allowed for every component. Valid examples: 42 => group 3 43.5 => group 3,4 01:02:03.04 => group 1,2,3,4 62:3.04 => group 2,3,4...

meter number

Division between AAAA and MMGG

Match all links except for links enclosed in curly brackets

it took me quite some time to figure out. I hope it'll be helful to someone else.