URL:
<http://savannah.gnu.org/bugs/?20961>
Summary: hyphen problem: '^[0-9\-_\.]\+$' doesnot work while
'^[0-9_\.-]\+$' does
Project: grep
Submitted by: None
Submitted on: Monday 09/03/2007 at 03:57 UTC
Category: None
Severity: 3 - Normal
Item Group: None
Status: None
Privacy: Public
Assigned to: None
Open/Closed: Open
Discussion Lock: Any
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Details:
$ cat > test.txt
1234-456
1345_456
23445.456
$ grep '^[0-9\-_\.]\+$' < test.txt
1345_456
23445.456
$ grep '^[0-9_\.-]\+$' < test.txt
1234-456 #this line is missing in previous run
1345_456
23445.456
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<http://savannah.gnu.org/bugs/?20961>
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