String
 
  Reference for Wiring 1.0 (ALPHA) 0020+. 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  

setCharAt()

   
Examples   
String str = "CCCP"; 
str.setCharAt(0,'1'); 
Serial.println(c1);  // Prints '1CCP'

Description   Sets the character at the specified index. An index ranges from 0 to the length of the string minus 1. The first character of the sequence is at index 0, the next at index 1, etc.
   
Syntax   
setCharAt(index, ch)
   
Parameters  
index   int: the index of the character
ch   char: the character
   
Returns   none
   
Usage   Web & Application