JavaScript match()

match()

match() 메서드는 문자열을 검색하고 배열을 반환합니다.

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

const str1 = "javascript reference";
const currentStr1 = str1.match("javascript");       //javascript
const currentStr2 = str1.match("reference");        //reference
const currentStr3 = str1.match("r");                //r
const currentStr4 = str1.match(/reference/);        //reference
const currentStr5 = str1.match(/Reference/);        //null
const currentStr6 = str1.match(/Reference/i);       //reference
const currentStr7 = str1.match(/r/g);               //['r', 'r', 'r']
const currentStr8 = str1.match(/e/g);               //['e', 'e', 'e', 'e']