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#1
November 19th, 2004, 04:47 AM
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Regular Expressions Problem
I cannot figure this out. I am trying to make a templating program, and I want to make a it process code blocks like this one...
Code:
{iterate name="i" list="list1"}
<tr><td>{list1[i]}</td></tr>
{/iterate}
using this : re.compile("\{iterate name=\"(.*)\" list=\"(.*)\"\}(.*)\{/iterate\}", re.DOTALL) It works fine with just one block, but put two or more in a file and the regex finds from the first {iterate...} to the very last {/iterate}, ignoring any other closing or new iterate tags in between. How can I modify this regex to stop after it reaches the first {/iterate} tag it finds? I am using python 2.2 in cgi and note and am somewhat new to python and pretty new to regex.
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#2
November 19th, 2004, 05:34 AM
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One answer is to make the match non-greedy:
"\{iterate name=\"(.*?)\" list=\"(.*?)\"\}(.*?)\{/iterate\}" grimey 
__________________
*** Experimental Python Markup CGI V2 ***
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#3
November 20th, 2004, 12:49 AM
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Thank you very much, just what I was looking for. I'll have to read up on greediness/laziness.
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