[bug #16421] regexp bug in grep -P or libpcre

[anonymous]

URL:
  <http://savannah.gnu.org/bugs/?func=detailitem&item_id=16421>

                 Summary: regexp bug in grep -P or libpcre
                 Project: grep
            Submitted by: None
            Submitted on: Воскресенье 23.04.2006 at 13:22 UTC
                Category: None
                Severity: 3 - Normal
              Item Group: None
                  Status: None
                 Privacy: Public
             Assigned to: None
             Open/Closed: Open

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Details:

grep with -P options incorrectly process inversed character classes: [^...]
here is example:

$ cat test 
a
b
$ grep '[a]' test 
a
$ grep '[b]' test 
b
$ grep '[^a]' test 
b
$ grep '[^b]' test 
a
$ grep -P '[a]' test 
a
$ grep -P '[b]' test 
b
$ grep -P '[^a]' test 
a
b
$ grep -P '[^b]' test 
a
b

I'm using:
grep-2.5.1
libpcre-6.3






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