MatchesXsPositiveInteger🔗
          Check that 
        
        
      text conforms to the pattern of an xs:positiveInteger.
        Code
positiveIntegerRep = (
    '\\+?0*[1-9][0-9]*'
)
pattern = (
    f'^{positiveIntegerRep}$'
)
return match(
    pattern,
    text
) is not None