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51 lines
1.3 KiB
C++
51 lines
1.3 KiB
C++
/*
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String replace()
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Examples of how to replace characters or substrings of a string
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created 27 July 2010
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modified 2 Apr 2012
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by Tom Igoe
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http://arduino.cc/en/Tutorial/StringReplace
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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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// Open serial communications and wait for port to open:
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Serial.begin(9600);
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while (!Serial) {
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; // wait for serial port to connect. Needed for Leonardo only
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}
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// send an intro:
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Serial.println("\n\nString replace:\n");
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Serial.println();
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}
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void loop() {
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String stringOne = "<html><head><body>";
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Serial.println(stringOne);
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// replace() changes all instances of one substring with another:
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// first, make a copy of th original string:
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String stringTwo = stringOne;
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// then perform the replacements:
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stringTwo.replace("<", "</");
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// print the original:
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Serial.println("Original string: " + stringOne);
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// and print the modified string:
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Serial.println("Modified string: " + stringTwo);
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// you can also use replace() on single characters:
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String normalString = "bookkeeper";
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Serial.println("normal: " + normalString);
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String leetString = normalString;
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leetString.replace('o', '0');
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leetString.replace('e', '3');
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Serial.println("l33tspeak: " + leetString);
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// do nothing while true:
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while (true);
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}
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