Скачать или смотреть Matching dots or commas as (not) part of numbers

Dots (periods) and commas used as decimal or thousand separator characters often need specific handling: sometimes, they need to be removed or replaced, sometimes, any they need to be kept and all other commas and dots need to be removed or replaced. See how it can be done with the use of lookarounds in this short video.

Online regex test: https://regex101.com/r/b340ch/4, https://regex101.com/r/b340ch/5

FURTHER LINKS

Removing commas from numbers with .NET regex (C#): https://stackoverflow.com/a/51221701/...
https://stackoverflow.com/a/7106720/3...
Replacing commas between digits with dots (Python): https://stackoverflow.com/a/7106720/3...
Remove punctuation but comma between digits (Python Pandas): https://stackoverflow.com/a/53374388/...