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[xsl] XPath regular expression syntax, crippled?
Subject: [xsl] XPath regular expression syntax, crippled? From: Gunther Schadow <gunther@xxxxxxxxxxxxxxxxxxxxxx> Date: Fri, 12 Nov 2004 17:39:51 -0500 |
Hi, I am so glad that Saxon 8.1.1 seems to do everything very nicely now that I previously had trouble using multiple prior Saxon versions. All except it implements the precise XSLT Regex standard. And I am pulling my hair out, I can't seem to find a concise specification of what that is, or is it really so heavily crippled as it appears? XML Schema datatypes remove all the special parenthesis constructs such as (?i:...), (?=...) or (?!...). Then XPath doesn't really add most of it back either. Only the capturing groups, but no mention of non-capturing groups or positive or negative lookahead. Major bummer! So, what am I missing? If I am missing nothing, then I will quickly ask Michael to consider a flag to Saxon that permits full JDK 1.4+ regex syntax, or perhaps that he might allow doing this with a flag. It's amazing that Michael did all this work with that regex translator machine only in order to cripple perfectly fine and useful regular expressions. Will there be any chance in working on XSLT editors to get the full thing back? regards, -Gunther -- Gunther Schadow, M.D., Ph.D. gschadow@xxxxxxxxxxxxxxx Medical Information Scientist Regenstrief Institute for Health Care Adjunct Assistant Professor Indiana University School of Medicine tel:1(317)630-7960 http://aurora.regenstrief.org
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