[Octave-bug-tracker] [bug #50177] Qt global documentation search hangs for input text '.*'

[Rik]

Update of bug #50177 (project octave):

                Severity:              3 - Normal => 4 - Important          
                  Status:               Need Info => Confirmed              
                 Release:                     dev => 4.2.0                  
        Operating System:                  Mac OS => Any                    
                 Summary:     documentation hangs => Qt global documentation
search hangs for input text '.*'

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Follow-up Comment #3:

>From libgui/src/qtinfo/webinfo.cc:


  if (_search_check_box->isChecked ())
    {
      // Global search
      QString results = _parser.global_search (_search_line_edit->text (),
5);
      _text_browser=addNewTab ("Results for: " + _search_line_edit->text ());
      _text_browser->setHtml (results);
    }
  else
    {
      // Local search
      _text_browser->find (_search_line_edit->text ());
    }


So the local search is using some regular find function, but the global_search
is function is doing something else.

The function global_search is in libgui/src/qtinfo/parser.cc and I can see
that it is using regular expressions so there must be some problem with the
logic there.



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