code: def get_numeric_value_property(value, is_bytes=False):
      
  
      obj = unidata.ascii_numeric_values if is_bytes else unidata.unicode_numeric_values
  
      if value.startswith('^'):
          negated = value[1:]
          value = '^' + unidata.unicode_alias['numericvalue'].get(negated, negated)
      else:
          value = unidata.unicode_alias['numericvalue'].get(value, value)
  
      return obj[value]
docs: Get `NUMERIC VALUE` property.