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https://issues.apache.org/jira/browse/XERCESC-1910?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Alberto Massari resolved XERCESC-1910.
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Resolution: Duplicate
Duplicate of XERCESC-1870, that has been fixed in 3.1.0. Can you check that
version if it works also for you?
Alberto
> The RegularExpression 'matches' function no longer returns the start and end
> position of a match
> ------------------------------------------------------------------------------------------------
>
> Key: XERCESC-1910
> URL: https://issues.apache.org/jira/browse/XERCESC-1910
> Project: Xerces-C++
> Issue Type: Bug
> Components: Utilities
> Affects Versions: 3.0.1
> Environment: Windows
> Reporter: Steve Roberts
> Fix For: 3.1.1, 3.2.0
>
>
> We have recently upgraded from version 2.2.0 to version 3.0.1. Between these
> versions a change was made to the RegularExpression::matchUnion function, so
> that it now uses a local version of the context structure. The result of this
> is that the 'fMatch' member of the context can be changed from its original
> instance. Therefore, back in the RegularExpression::matches function, just
> before it returns, it sets the start and end position of the match:
> context.fMatch->setStartPos(0, (int)matchStart);
> context.fMatch->setEndPos(0, matchEnd);
> However, the 'fMatch' object no longer matches the one that was passed
> through to function (due to what happened in 'matchUnion') and therefore
> these values don't get returned to the calling function.
> Therefore, I think that in the 'matches' function is should actually be
> setting the start and end position of the 'pMatch' property that is passed
> into the function, rather than the 'context.fMatch'.
> The code we are using to call the regular expression is this:
> XERCES_CPP_NAMESPACE::RegularExpression re(expression.c_str());
> if( re.matches( text, &match ) )
> { ...
> where expression = "([\-\(]?\d{1,3}([,
> ]\d{3})+\.\d+[\)]?|[\-\(]?\d+\.\d+[\)]?).*"
> and text = "13.13"
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