Sublime Text regex not detecting multiline tags

Question

I have this regex here;

\\[sometag\\](.*)\\[/sometag\\]

Which is supposed to catch text surrounded by the [sometag] tag. It wo

Answer 1

At the start, use a dotall modifier (?s) to make dot to match also newline characters.

(?s)\[sometag\](.*?)\[\/sometag\]

DEMO

Answer 2

If modifying of dot's mode is inadmissible for some reasons, you may take that:

[sometag](.|\n)+?[/sometag]