replace js

const p = 'dog dog cat rat';

const regex = /dog/gi;

console.log(p.replace(regex, 'cow'));
//if pattern is regular expression all matches will be replaced
//output: "cow cow cat rat"
var str = "JavaScript replace method test";
var res = str.replace("test", "success");  
//res = Javscript replace method successvar myStr = 'this,is,a,test';
var newStr = myStr.replace(/,/g, '-');

console.log( newStr );  // "this-is-a-test"var res = str.replace("find", "replace");// Valor retornado: “Aprendendo JavaScript. JavaScript é na DevMedia”
exemplo = "Aprendendo Javascript. JAVAScript é na DevMedia ";
resultado = exemplo.replace(/javascript/gi, "JavaScript");// Replace All
str = str.replace(/_/g, ' ');