Format: x0.00 Valid: 13.37 4.20 1.00...

Use this regex to select all characters up to the "" bracket. It works across multiple lines. You can get an email list with only the IDs. This is the pattern it matches: Alpha Person Step 1 (.*) [$ Step 2 [$.$] (.*) gives you aperson@whatever.org...

ввв

This regexp was created to search all the id's in a HTML with the objective to clean the code and delete them.

youtube id 17 matches

A few Australian address parser

Match simple linux file absolute path as /usr/share/my-folder/helloworld.jpg

Matches any valid JSON object, matches recursively. Passes all JSON test cases I found.