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On Thu, 4 Apr 2024 at 13:29, Roger L Costello costello@xxxxxxxxx < xsl-list-service@xxxxxxxxxxxxxxxxxxxxxx> wrote: > Hi Folks, > > I want to find, in an XML Schema, all xs:pattern elements containing a > regex that permits an unbounded number of characters. > > Here are examples of xs:pattern elements that I want to find: > > <xs:pattern value="A*"/> > <xs:pattern value="A+"/> > <xs:pattern value="A{0,.}"/> > <xs:pattern value="A{1,.}"/> > > > How to fix my XPath expression? Is the solution to add a second predicate: > > xs:pattern[ > contains(@value, '*') or > contains(@value, '+') or > contains(@value, '{1,}') or > contains(@value, '{0,}') > ][ > not(contains(@value, '\*')) and > not(contains(@value, '\+')) > ] > > Is that correct? > > No. A pattern \\* matches an unbounded list of backslashes but fails your test as it contains \* A pattern X{5,} matches an unbounded list of X of at least 5 but doesn't match your first predicate.
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