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CSSStyleDeclaration JS Conversion


JavaScript RegExp i 수정자


"is"에 대해 대소문자를 구분하지 않는 검색을 수행합니다.

let text = "Visit W3Schools";
let pattern = /w3schools/i;
let result = text.match(pattern);

정의 및 사용

"i" 수정자는 대소문자를 구분하지 않는 일치를 지정합니다.

브라우저 지원

/regexp/i ECMAScript1(ES1) 기능입니다.

ES1(JavaScript 1997)은 모든 브라우저에서 완벽하게 지원됩니다.

Chrome IE Edge Firefox Safari Opera
Yes Yes Yes Yes Yes Yes

통사론

new RegExp("regexp", "i")

or simply:

/regexp/i

더 많은 예

문자열에서 "w3schools"에 대해 대소문자를 구분하지 않고 검색합니다.

RegExp 함수 사용 exec()::

let text = "Visit W3Schools";
let pattern = /w3schools/i;
let result = pattern.exec(text);

RegExp 함수 test() 사용::

let text = "Visit W3Schools";
let pattern = /w3schools/i;
let result = pattern.test(text);

문자열 함수 match() 사용:

let text = "Visit W3Schools";
let pattern = /w3schools/i;
let result = text.match(pattern);


ignoreCase 속성을 사용 하여 "i" 수정자가 설정되었는지 확인할 수 있습니다.

예시

let pattern = /W3S/i;
let result = pattern.ignoreCase;

정규식 검색 방법

JavaScript에서 정규식 텍스트 검색은 다른 방법으로 수행할 수 있습니다.

패턴 을 정규식으로 사용하는 경우 가장 일반적인 방법은 다음과 같습니다.

예시설명
text.match( 패턴 )문자열 메서드 match()
text.search( 패턴 )문자열 메서드 search()
패턴 .exec(텍스트)RexExp 메소드 exec()
패턴 .test(텍스트)RegExp 메서드 test()