% This is generated by ESQL's AbstractFunctionTestCase. Do no edit it. See ../README.md for how to regenerate it.
Parameters
string
: An input string
substring
: A substring to locate in the input string
start
: The start index
% This is generated by ESQL's AbstractFunctionTestCase. Do no edit it. See ../README.md for how to regenerate it.
Parameters
string
: An input string
substring
: A substring to locate in the input string
start
: The start index