...f {{#invoke:cs1 documentation support|canonical_name_get|ASIN}} value is a digit, use {{#invoke:cs1 documentation support|canonical_name_get|ISBN}}. Because ...permitted as the last character in a 10-digit ISBN – and the proper check digit. Aliases: {{#invoke:cs1 documentation support|alias_names_get|ISBN}}.

...r code calculates checksum across all ISBN/ISSN digits including the check digit. ...ode calculates checksum across all 13 ISBN/ISMN digits including the check digit.

'(%d%d%d%d–%d%d%d%d%l?)$', -- YYYY–YYYY four-digit year range at end (Season YYYY–YYYY); with or without dab '^(%d%d%d%d–%d%d%l?)$', -- YYYY–YY two-digit year range; with or without dab

* [[#Check date values in: %7C<param1>=, %7C<param2>=, ...]], ~11k pages * [[#Check %7Curl= value]], ~7k pages

...parameter names that the extraneous terminal punctuation check should not check. for ld, ed in pairs (date_names.local_digits) do -- make a digit translation table for simple date translation from en to local language usi

Check a pair of months or seasons to see if both are valid members of a month or Check date format to see that it is one of the formats approved by WP:DATESNO or

...3) requires the first and last character of a hostname to be a letter or a digit. Between ...racter of the whole domain name including subdomains must be a letter or a digit