...and ''string2'' are non-empty; otherwise produces the empty string (false condition). ...1' and 'string2' are non-empty; otherwise produces the empty string (false condition).", ...

<!-- Place categories where indicated at the bottom of this page and interwikis at Wikidata --> ...}</nowiki></code>, then the template will output <code>1</code> if numeric and <code>0</code> if not numeric. ...