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I need to match, exact length of a string and I'm using below code for that :

declare namespace 
ns123='urn:lt:sb:xmlns:services:customers:customerinformationfile:GetCustByGlobalId:1.2';
matches(//ns123:legalCode, "[0-9-]{10}")

Problem is that it works only for greater length (for example, if field content is 11, it fails, but it doesn't, if the content is 9).

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Try

^[0-9-]{10}$

instead of your [0-9-]{10}

Your expression just checks that there is a substring of 10 digits or dashes in your string. Wrap it with ^..$ to specify that it should strictly fall between start and end of your string.

  • Thank you. It works! But for one case it doesn't, why is it so? matches(//ns123:birthDate, "^[T0-9-:]{24}$") Content is: 1938-08-09T00:00:00.000 – Jdreamer May 10 '18 at 12:49
  • Because: 1 - there is a dot in your content, 2 - there are 23 symbols. Your query should be: ^[T0-9-:\.]{23}$ – Alexey R. May 10 '18 at 12:52

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