posix regex C ++中的pcre regex相等

Question

Hello this is my string

Data1 = "value1";
Data2 = "value2";
Data3 = "value3";

in php i am using this regex

preg_match("/\h*(.*?)\h*[=]\h*[\"](.*?)[\"]\h*[;]/mis", $input_line, $output_array);

and get 3 result

Data1 = "value1";
Data1
Value1
...
...

now i want to use regex in c++ visual studio to do like this (what i done in php). i know we can't find

\h*

in c++ regex so please say to me what regex i must use for c++?

Answer 1

\\h matches horizontal whitespace.
It includes tabulations and unicode spaces. It's the same as [\\t\\p{Zs}]

If you don't want to match all unicode spaces, you can simply use [\\t ] that matches tabulations and simple spaces.