/* String replace() Examples of how to replace characters or substrings of a string created 27 July 2010 modified 2 Apr 2012 by Tom Igoe http://arduino.cc/en/Tutorial/StringReplace This example code is in the public domain. */ void setup() { // Open serial communications and wait for port to open: Serial.begin(9600); // this check is only needed on the Leonardo: while (!Serial) ; ; Serial.println("\n\nString replace:"); } void loop() { String stringOne = ""; Serial.println(stringOne); // replace() changes all instances of one substring with another: String stringTwo = stringOne.replace("<", "