rindex (x, s)

The rindex(x,s) function searches for the last occurrence of the string s in x.

It returns the offset of the first character of the last occurrence or 0 if the string s did not occur in x.

The search is case-insensitive.

This function returns a value of type Number.

Examples

 rindex ("abcdabcd", "cd")

Result: 7.

 rindex ("AbCdaBcD", "cd")

Result: 7. Note that the search is case-insensitive.