X-Recipient: archive-cygwin AT delorie DOT com X-SWARE-Spam-Status: No, hits=-1.7 required=5.0 tests=AWL,BAYES_00,SARE_MSGID_LONG40,SPF_PASS X-Spam-Check-By: sourceware.org MIME-Version: 1.0 Date: Fri, 5 Jun 2009 13:10:20 +0800 Message-ID: Subject: Why bash failed to match this pattern? From: Pan ruochen To: cygwin AT cygwin DOT com Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Mailing-List: contact cygwin-help AT cygwin DOT com; run by ezmlm List-Id: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: cygwin-owner AT cygwin DOT com Mail-Followup-To: cygwin AT cygwin DOT com Delivered-To: mailing list cygwin AT cygwin DOT com Hi All, My current version of bash on cygwin failed to match this pattern: ******************************* target=ar if [[ "$target" =~ '^a' ]]; then echo Matched else echo Unmatched fi ******************************* $bash --version GNU bash, version 3.2.48(21)-release (i686-pc-cygwin) Copyright (C) 2007 Free Software Foundation, Inc. The older version of bash can match the same pattern before I upgrade cygwin. What is the possible reason? PRC Jun 5, 2009 -- Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple Problem reports: http://cygwin.com/problems.html Documentation: http://cygwin.com/docs.html FAQ: http://cygwin.com/faq/