[bug #16179] 'egrep -i ' + backreference = bug

[Yakov Lerner]

URL:
  <http://savannah.gnu.org/bugs/?func=detailitem&item_id=16179>

                 Summary: 'egrep -i ' + backreference = bug
                 Project: grep
            Submitted by: ilerner
            Submitted on: Fri 03/24/06 at 19:17
                Category: None
                Severity: 3 - Normal
              Item Group: None
                  Status: None
                 Privacy: Public
             Assigned to: None
             Open/Closed: Open

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Details:

     echo 'The the'|egrep -i '(the) \1'
no match. Match expected. 
Other similar cases:
     echo 'The The'|egrep -i '(the) \1'
     echo 'the The'|egrep -i '(the) \1'

Thanks
Yakov








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