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Availability
This routine is available starting with SIL Engine™ 1.0.
Syntax
indexOf(str1, str2)
Description
Returns the index of the first match of the str2 in str1 or -1 if str2 is nowhere to be found in str1.Returns an integer indicating the position of the first character for a character expression within another character expression, beginning from the leftmost character.
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 = indexOf("This will return ?", "will");
print("Return " + wret);
Print Return 5
Example 2
wret = indexOf("This will return ?", "Will");
print("Return " + wret);
Print Return -1
Example 3
wret = indexOf("This will return ?", "This");
print("Return " + wret);
Print Return 0
Notes
If the first occurrence of str2 is the first caracter of str1, indexOf( ) returns 0.
If you need to find str2 multiple times, use substring( ) routine.
See also