String.trim()

설명

앞뒤 공백을 없앤 스트링 버전을 얻는다. 1.0부터 trim ()은 새로운 스트링을 반환하지 않고 스트링을 바꾼다.

문법

myString.trim()

매개변수

  • myString: 스트링 형 변수

반환값

  • 없음

예제 코드

String myString; void setup() { Serial.begin(9600); myString = " Arduino "; Serial.println(myString.length()); // length before trimming myString.trim(); Serial.println(myString.length()); // length after trimming Serial.println(myString); // string after trimming } void loop() { }

시리얼 모니터에 결과:

COM6
Send
10 7 Arduino
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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