[Mono-devel-list] Patch for Bug #57228 On System.Text.RegularExpressions for Balancing group constructs

[Eric Durand Tremblay]

Hello all,

In order to work on Compiled Balancing construct 
"(?<depth>)(?<foo-depth>)" , I revewed it on the interpreter.  It's 
actually non functionnal at all.

I resolved all the bugs I could find and now, it solve classical 
parenthesis matching construct.

So :
1) Capture inner group when named.
2) Resolved parse error caused by not capturing inner group
3) Resolved incorrect capture group
4) Now, not capturing anything when unnamed ( correct behavior)

This now work :
"(((?<foo>\()[^()]*)+((?<bar-foo>\))[^()]*)+)+(?(foo)(?!))"

Attached patch and regression.

PLEASE : as asked before, do a dos2unix -U * in the 
System.Text.RegularExpressions/ and Test/System.Text.RegularExpressions  
It is very annoying to make patch when confronted with DOS file.

Eric Durand-Tremblay
TIP-MONO Team
University Laval
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