Note
Access to this page requires authorization. You can try signing in or changing directories.
Access to this page requires authorization. You can try changing directories.
IndexOfString
The IndexOfString function returns the zero-based index of the first occurrence of the search string in the input string. If the Search string is not found, the function returns -1.
Syntax
int IndexOfString(
string targetString,
string searchString,
bool ignoreCase
);
Parameters
targetString
The string to be searched.searchString
The string to search for.ignoreCase
Optional. If set to true, the search will be case-sensitive. If either set to false or not set, the search will be case-insensitive.
Return Values
Returns a zero-based index of the first occurrence of the search string in the input string. If the search string is not found, returns -1. Also, it returns -1 if either targetString or searchString is empty, null or the length of the target string is less than that of the search string.