Seems you escape brackets wrong:
Try this:
string regexTemplate = @"TRY MOVIE YES \[Bat2man WIN\]";
or
string regexTemplate = "TRY MOVIE YES \\[Bat2man WIN\\]";
solved Regular expressions C# [closed]
Seems you escape brackets wrong:
Try this:
string regexTemplate = @"TRY MOVIE YES \[Bat2man WIN\]";
or
string regexTemplate = "TRY MOVIE YES \\[Bat2man WIN\\]";
solved Regular expressions C# [closed]