Regular expression matching all characters including carriage return

Question

What is the regular expression that matches all characters (.*) also with a carriage return?

Answer 1

Regular expression that matches all characters (.*) with also carriage return?

It is

(?s).*

See demo

The (?s) flag makes . match any character, even a newline.

The flag can be set after the second delimiter, too:

$re = "/.*/s"; 

See another demo