/* String replace() Examples of how to replace characters or substrings of a string created 27 July 2010 by Tom Igoe This example code is in the public domain. */ void setup() { Serial.begin(9600); 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("<", "