match( )

match()

match() 메서드는 문자열을 검색하고 검색값을 배열로 반환합니다.

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match()

"문자열".match("검색값");
"문자열".match(정규식표현);

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']