XFCE_AND_HYPERLAND

xfce/root-overlay/etc/skel/Programs/arduino-1.8.19/examples/08.Strings/StringStartsWithEndsWith/StringStartsWithEndsWith.ino

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+/*
+  String startWith() and endsWith()
+
+  Examples of how to use startsWith() and endsWith() in a String
+
+  created 27 Jul 2010
+  modified 2 Apr 2012
+  by Tom Igoe
+
+  This example code is in the public domain.
+
+  https://www.arduino.cc/en/Tutorial/BuiltInExamples/StringStartsWithEndsWith
+*/
+
+void setup() {
+  // Open serial communications and wait for port to open:
+  Serial.begin(9600);
+  while (!Serial) {
+    ; // wait for serial port to connect. Needed for native USB port only
+  }
+
+  // send an intro:
+  Serial.println("\n\nString startsWith() and endsWith():");
+  Serial.println();
+}
+
+void loop() {
+  // startsWith() checks to see if a String starts with a particular substring:
+  String stringOne = "HTTP/1.1 200 OK";
+  Serial.println(stringOne);
+  if (stringOne.startsWith("HTTP/1.1")) {
+    Serial.println("Server's using http version 1.1");
+  }
+
+  // you can also look for startsWith() at an offset position in the string:
+  stringOne = "HTTP/1.1 200 OK";
+  if (stringOne.startsWith("200 OK", 9)) {
+    Serial.println("Got an OK from the server");
+  }
+
+  // endsWith() checks to see if a String ends with a particular character:
+  String sensorReading = "sensor = ";
+  sensorReading += analogRead(A0);
+  Serial.print(sensorReading);
+  if (sensorReading.endsWith("0")) {
+    Serial.println(". This reading is divisible by ten");
+  } else {
+    Serial.println(". This reading is not divisible by ten");
+  }
+
+  // do nothing while true:
+  while (true);
+}

xfce/root-overlay/etc/skel/Programs/arduino-1.8.19/examples/08.Strings/StringStartsWithEndsWith/StringStartsWithEndsWith.txt

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+Check which characters/substrings a given String starts or ends with.