reverse-find-substring()
This function searches in text a for the search text b. The search goes from right to left, starting at the start index c. All indexes start at 1 (viewed from the left).
The function returns the index of the last occurrence (viewed from the left) of the search text b. If b is not found, the return value is 0. See examples.
Parameters
|
Parameter |
Description |
|
a |
Text. |
|
b |
Search text. |
|
c |
(optional) Start index of the search. Default: 0 (to search from the right end). |
Examples
|
Parameter a |
Parameter b |
Parameter c |
Result |
|
abcabc |
c |
|
6 |
|
abcabc |
c |
5 |
3 |
|
abcabc |
c |
2 |
0 |