Given the title of a page in WMF wikis, and a string to look for, finds which transcluded templates (sub-templates) in that page contain the string.
Home page: https://tools.wmflabs.org/whichsub/
Given the title of a page in WMF wikis, and a string to look for, finds which transcluded templates (sub-templates) in that page contain the string.
Home page: https://tools.wmflabs.org/whichsub/