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.

A simple regexp to parse a search string. It will split the search string into an array of search terms. Each search term will be represented by an array containing 3 strings: ...

Not perfect, but solid and cross platform

Does not match everything, but good for a cross-platform validation filter.