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grep: echo -en "AB\nA B\n" | egrep 'A?B'
From: |
p.p. |
Subject: |
grep: echo -en "AB\nA B\n" | egrep 'A?B' |
Date: |
Thu, 13 Dec 2007 20:09:16 +0100 (CET) |
if I do
echo -en "AB\nA B\n" | egrep 'A?B'
the result is
AB
A B
while, as I understand it, the second line containing the space should not
match.
Is this a bug in grep or in my understanding of regular expressions?
I'm using
ubuntu 7.10
with
grep (GNU grep) 2.5.1
Cheers
Peter
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- grep: echo -en "AB\nA B\n" | egrep 'A?B',
p.p. <=