JavaScript search()

search()

search() 메서드는 문자열(정규식)을 검색하고 위치값(숫자)를 반환합니다.

"문자열".search("검색값")
"문자열".search(정규식 표현)

const str1 = "javascript reference";
const currentStr1 = str1.search("javascript");         //0
const currentStr2 = str1.search("reference");          //11
const currentStr3 = str1.search("j");                  //0
const currentStr4 = str1.search("a");                  //1
const currentStr5 = str1.search("v");                  //2
const currentStr6 = str1.search("jquery");             //-1
const currentStr7 = str1.search("b");                  //-1
const currentStr8 = str1.search(/[a-z]/g);             //0