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From: | martin rudalics |
Subject: | Re: Unquoted special characters in regexps |
Date: | Mon, 06 Mar 2006 09:17:21 +0100 |
User-agent: | Mozilla Thunderbird 1.0 (Windows/20041206) |
> But there definitely are many cases where you would have to parse back > all the way to the beginning. I don't want to parse regexps, neither forward nor backward. I want to understand what the author of the expression intended to match. For that purpose I try to extract familiar patterns from the expression. Parsing a regexp in order to show that it's wrong or doesn't match what it should doesn't make sense for most human beings. The regexp engine can do that much better. Experienced programmers like you mentally parse complicated regexps from beginning to end. Experienced programmers occasionally forget that less experienced programmers are not able to do that.
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