//************************************************************************ //* Arduino Test Example Skeleton //* (C) 2010 by Rick Anderson //* Open source as per standard Arduino code //* //************************************************************************ //* Oct 16, 2010 Started on String Test //************************************************************************ #include "HardwareSerial.h" #include //************************************************************************ void setup() { char testName[64]; int startMemoryUsage; /* * Create variable for the tests. */ String stringOne; int firstClosingBracket; int firstOpeningBracket; int secondOpeningBracket; int secondClosingBracket; int bodyTag; int firstListItem; int secondListItem; int lastOpeningBracket; int lastListItem; int lastParagraph; int secondLastGraf; /*; * initiate the test run */ startMemoryUsage = ATS_GetFreeMemory(); ATS_begin("Arduino", "String Memory Test"); // indexOf() returns the position (i.e. index) of a particular character // in a string. For example, if you were parsing HTML tags, you could use it: stringOne = ""; firstClosingBracket = stringOne.indexOf('>'); Serial.println("The index of > in the string " + stringOne + " is " + firstClosingBracket); stringOne = ""; secondOpeningBracket = firstClosingBracket + 1; secondClosingBracket = stringOne.indexOf('>', secondOpeningBracket ); Serial.println("The index of the second > in the string " + stringOne + " is " + secondClosingBracket); // you can also use indexOf() to search for Strings: stringOne = ""; bodyTag = stringOne.indexOf(""); Serial.println("The index of the body tag in the string " + stringOne + " is " + bodyTag); stringOne = ""; firstListItem = stringOne.indexOf("
  • "); secondListItem = stringOne.indexOf("item", firstListItem + 1 ); Serial.println("The index of the second list item in the string " + stringOne + " is " + secondClosingBracket); // lastIndexOf() gives you the last occurrence of a character or string: lastOpeningBracket = stringOne.lastIndexOf('<'); Serial.println("The index of the last < in the string " + stringOne + " is " + lastOpeningBracket); lastListItem = stringOne.lastIndexOf("
  • "); Serial.println("The index of the last list item in the string " + stringOne + " is " + lastListItem); // lastIndexOf() can also search for a string: stringOne = "

    Lorem ipsum dolor sit amet

    Ipsem

    Quod

    "; lastParagraph = stringOne.lastIndexOf("