String
 
  Reference for Wiring 1.0 (ALPHA) 0019+. If you have a previous version, use the reference included with your software. If you see any errors or have any comments, let us know.
Class   String
   
Name  

indexOf()

   
Examples   
String str = "CCCP"; 
int p1 = str.indexOf("C"); 
int p2 = str.indexOf("P"); 
int p3 = str.indexOf("CP"); 
Serial.println(p1, DEC); // Prints 0 
Serial.println(p2, DEC); // Prints 3 
Serial.println(p3, DEC); // Prints 2

Description   Tests to see if a substring is embedded in a string and returns the index position of the first occurrence of the substring defined in the str parameter. If the str parameter is not found in the string, -1 is returned.
   
Syntax   
indexOf(str)
indexOf(str, fromIndex)
   
Parameters  
str   String: the substring to search
fromIndex   int: the index from which to start the search
   
Returns   int
   
Usage   Web & Application