strStr Function 
strStr Function
Purpose
Searches for a substring within a string.
Syntax
int strStr (in string string,
in string stringPattern)
Parameters
string |
The string in which to search. |
stringPattern |
The string to search for. |
Return Value
Condition |
Return Value |
If string does not contain stringPattern . |
0 |
If string contains stringPattern .In this case, the non-zero value tells the starting position where the substring was found. |
>0 |
Example
`strStr("Hello world", "world")`