메서드 (search)

search()

문자열(정규식)을 검색하고, 위치 값(숫자)을 반환한다.

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

    const str1 ="javascript reference"
    const currentStr1 = str1.search("javascipt");           // 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("jqeurey");              // -1
    const currentStr7 = str1.search("b");                        // -1
    const currentStr8 = str1.search(/[a-z]/g);                // 0