## Summary Add character classes support: https://en.wikipedia.org/wiki/Regular_expression#Character_classes ## Motivation It sometimes shorten and, for example, `[:word]` support not only Latin characters. ## Describe alternatives you've considered `[a-zA-Zа-яА-ЯёЁ]` ## Additional context 
Summary
Add character classes support: https://en.wikipedia.org/wiki/Regular_expression#Character_classes
Motivation
It sometimes shorten and, for example,
[:word]support not only Latin characters.Describe alternatives you've considered
[a-zA-Zа-яА-ЯёЁ]Additional context