If you have a String, lets assume: AB--AB. I want to look for nodes with xpath which can be AB??AB, meaning that the question marks in the node attribute are some kind of a placeholder - and they can vary in their amount of occurrence, so it should also be matched to AB?-AB for example. How can you solve this?
XPath 2.0 has regular expression support: matches($string, 'AB.{0,2}AB') would match if the string is a sequence of the literal AB followed by zero, one or two arbitrary characters followed by the literal AB.
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