MatchesXsUnsignedLong🔗

Type: Pattern verification
Check that text conforms to the pattern of an xs:unsignedLong.
See: https://www.w3.org/TR/xmlschema-2/#unsignedLong
text🔗
Text to be checked
Return🔗
True if the text conforms to the pattern

Code

unsigned_long_rep = r"(-0|\+?0*[0-9]{1,20})"

pattern = f"^{unsigned_long_rep}$"
return match(pattern, text) is not None