Index() searches a string to find the starting position of the nth occurrence of a provided substring. An optional third argument provides the value of n, which is 1 if omitted. A negative value searches from the end of the string. The positions in the string are numbered from 1 and up.
Syntax:
Index(text, substring[, count])
Return data type: integer
Arguments:
| Argument | Description |
|---|---|
| text | The original string. |
| substring | A string of characters to search for in text. |
| count | Defines which occurrence of substring to search for. For example, a value of 2 searches for the second occurrence. |
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