string replace with placeholder javascript

string replace with placeholder javascript

var replacements = {
“%NAME%”: “Mike”,
“%AGE%”: “26″,
“%EVENT%”: “20″
},
str = ‘My Name is %NAME% and my age is %AGE%, the following %TOKEN% is invalid.’;

str = str.replace(/%\w+%/g, function(all) {
return replacements[all] || all;
});

document.body.innerHTML = str;

Some more examples related to replace regular expression

        var country = "india india INDIA .";

        alert(country.replace('india', 'US'));

        alert(country.replace(/india/g, 'US'));

        alert(country.replace(/india/gi, 'US'));

        alert(country.replace(/\./g, 'US'));