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https://issues.apache.org/jira/browse/XERCESJ-1388?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Michael Glavassevich reassigned XERCESJ-1388:
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Assignee: Khaled Noaman
> RegEx matching: when computing backreferences, "\dd" must match group "dd" if
> group exists
> ------------------------------------------------------------------------------------------
>
> Key: XERCESJ-1388
> URL: https://issues.apache.org/jira/browse/XERCESJ-1388
> Project: Xerces2-J
> Issue Type: New Feature
> Components: Other
> Affects Versions: 2.9.1
> Reporter: Radu Preotiuc-Pietro
> Assignee: Khaled Noaman
>
> When dealing with back-references to groups >= 10, "\" followed by more than
> one digit must match the largest number, smaller than the total number of
> groups, that can be constructed by dropping digits from the right.
> So, for instance, \11 must match the 11th capturing group of the expression
> "^ (#)(a)(b)(c)(d)(e)(f)(g)(h)(i)(j)\11", because there are 11 capturing
> groups; it must not match the first capturing group ant then the digit "1".
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