lastIndexOf
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Availability
This routine is available starting with SIL Engine™ 2.5.17 / 2.6.9.
Syntax
lastIndexOf(str1, str2)
Description
Returns the index of the last match of the str2 in str1 or -1 if str2 is nowhere to be found in str1.Returns the index within a string of the last occurrence of the specified substring.
Parameters
Parameter name | Type | Required | Description |
|---|---|---|---|
str1 | string | Yes | Specifies a character expression to search for str2. |
str2 | string | Yes | Specifies a character expression to search for in str1. |
Return type
number
Example
Example 1
wret = lastIndexOf("f1/f2/f3", "/f");
print("Return " + wret);
Print Return 5
Example 2
wret = lastIndexOf("f1/f2/f3", "/fi");
print("Return " + wret);
Print Return -1
Example 3
wret = lastIndexOf("f1/f2", "");
print("Return " + wret);
Print Return 5
Notes
The last occurrence of the empty string "" is considered to occur at the index value str1.length().
If you need to find str2 multiple times use substring() routine.
See also