Template:Strfind quick/core

The Template:Strfind_quick/core is the /core template used by Template:Strfind_quick to search for a substring within a string of up to 500 characters. Parameter 1 is the base string, parameter 2 is the search string, and 3rd is the length of the search string. Optional parameter lenstr=55 is the length to search within the base string (default: 55).