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:

COM6
Send
Two strings is equal to each other
Autoscroll Show timestamp
Clear output
9600 baud  
Newline  

※ 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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