String.equalsIgnoreCase()

설명

두 String이 같은지 비교. 대소문자 구별 안 하며, String("hello") 가 String("HELLO")와 같음을 뜻함.

문법

myString.equalsIgnoreCase(myString2)

매개변수

  • myString, myString2: 스트링 형 변수

반환값

  • myStringmyString2 이 같으면 true를, 아니라면 false를 반환합니다(대소문자 무시)

예제 코드

void setup() { Serial.begin(9600); String myString = "Arduino"; if (myString.equalsIgnoreCase("ARDUINO")) Serial.println("Two strings is equal to each other"); else Serial.println("Two strings is NOT equal to each other"); } void loop() { }

시리얼 모니터에 결과:

Newbiely | Arduino IDE 2.3.8
──
File
Edit
Sketch
Tools
Help
Arduino Uno
Newbiely.ino
···
8 Serial.println("Hello World!");
Output
Serial Monitor
Message (Enter to send message to 'Arduino Uno' on 'COM15')
New Line
9600 baud
Two strings is equal to each other
Ln 11, Col 1
Arduino Uno on COM15
2

※ 주의 및 경고:

If the string is modified, it is highly recommended using String.reserve() to prevent the memory fragmentation issue

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Arduino UNO R3
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