Regex replace content within parenthesis ignoring nested parenthesis

Question

I have the following line

(textMsg).Style.set_BackgroundColor(Color.FromArgb(0, 0, 0));

and what I want to get is

(textMsg).Style.BackgroundColor = Color.FromArgb(0, 0, 0);

i tried with the following regEx pattern but with no luck

set_(.*)\((([^()]*|(?R))*)\)

i would appreciate any suggestion.

Thanks

(@R) is a Perl/PCRE-specific recurse-whole-pattern expression. .NET also handles recursion but uses a different syntax. See: regex embedded {{ matching and substitute parentheses for curly braces. — ridgerunner
– ridgerunner, Commented Aug 28, 2013 at 14:29

Ibrahim Najjar · Accepted Answer · 2013-08-28 14:13:39Z

0

You could try this instead:

set_([^(]*)\((.*)\)

This captures the property name after set_ in group $1 and anything between the ( and ) of the method call into group `$2, so you can use a replacement string like this:

$1 = $2

Regex 101 Demo

Your expression is invalid and won't compile because you have unbalanced parentheses and un-recongnized tokens.

answered Aug 28, 2013 at 14:13

Ibrahim Najjar

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