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49 lines
1.2 KiB
Plaintext
49 lines
1.2 KiB
Plaintext
/*
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String startWith() and endsWith()
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Examples of how to use startsWith() and endsWith() in a String
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created 27 July 2010
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modified 4 Sep 2010
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by Tom Igoe
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http://arduino.cc/en/Tutorial/StringStartsWithEndsWith
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This example code is in the public domain.
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*/
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void setup() {
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Serial.begin(9600);
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Serial.println("\n\nString startsWith() and endsWith():");
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}
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void loop() {
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// startsWith() checks to see if a String starts with a particular substring:
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String stringOne = "HTTP/1.1 200 OK";
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Serial.println(stringOne);
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if (stringOne.startsWith("HTTP/1.1")) {
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Serial.println("Server's using http version 1.1");
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}
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// you can also look for startsWith() at an offset position in the string:
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stringOne = "HTTP/1.1 200 OK";
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if (stringOne.startsWith("200 OK", 9)) {
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Serial.println("Got an OK from the server");
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}
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// endsWith() checks to see if a String ends with a particular character:
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String sensorReading = "sensor = ";
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sensorReading += analogRead(A0);
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Serial.print (sensorReading);
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if (sensorReading.endsWith(0)) {
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Serial.println(". This reading is divisible by ten");
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}
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else {
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Serial.println(". This reading is not divisible by ten");
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}
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// do nothing while true:
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while(true);
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} |