It would be extremely helpful if the Alteryx documentation expanded more on how to specify a basic character class from within the documentation page:
https://help.alteryx.com/10.6/index.htm#boost/character_class_names.html%3FTocPath%3DReference%7CBoo...
so that you could easily tell Alteryx what character class you want, as outlined here:
Currently, it is very hard to look at the documentation, and know what characters encompass what class. Adding this would be extremely useful. The only way I found the syntax was through the formula menu, which is depressing that its not on the function reference page itself:
https://community.alteryx.com/t5/Alteryx-Knowledge-Base/RegEx-Perl-Syntax-Guide/ta-p/1288