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Regexps - what am I doing wrong?

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From: kjonca@xxxxx (Kamil Jońca)
To: zsh-users@xxxxxxx
Subject: Regexps - what am I doing wrong?
Date: Mon, 07 Mar 2011 23:24:00 +0100
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Can somebody explain me why in last line zsh responds "yes"? 
ZSH_VERSION=4.3.10
--8<---------------cut here---------------start------------->8---
kjonca@alfa:~%q=lll ;if [[ $q =~ ^ERROR.* ]] ; then echo yes ; else echo no ;fi
no
kjonca@alfa:~%q=lll ;if [[ $q =~ ^OK.* ]] ; then echo yes  ; else echo no;fi
no
kjonca@alfa:~%q=lll ;if [[ $q =~ ^OK.* || $q =~ ^ERROR.* ]] ; then echo yes ; else echo no ;fi
yes
--8<---------------cut here---------------end--------------->8---

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Follow-Ups:
- Re: Regexps - what am I doing wrong?
  - From: Phil Pennock

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