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bash=~ bug or feature

From: Jeff Chua
Subject: bash=~ bug or feature
Date: Thu, 17 May 2007 22:41:10 +0800 (SGT) 


With bash 3.1.17(4)-release
# [[ "abcd" =~ "^a" ]]; echo $?
0

With bash 3.2.17(3)-release
# [[ "abcd" =~ "^a" ]]; echo $?   # is this a bug???
1
# [[ "abcd" =~ ^a ]]; echo $?
0


Is this a bug?


Thanks,
Jeff.
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