JSFiddle - React, Tailwind, and code Playground

JavaScript

(function() {
    
    var nativeParse = Date.parse;
    var parsers = [];

    Date.parse = function(datestring) {
        for (var i = 0; i<parsers.length; i++) {
            var parser = parsers[i];
            if (parser.re.test(datestring)) {
                datestring = parser.handler(datestring);
                break;
            }
        }
        return nativeParse.call(this, datestring);
    }
    
    Date.defineParser = function(pattern, handler) {
        parsers.push({re:pattern, handler:handler});
    }
    
}());

Date.defineParser(/\d*\+\d*\+\d*/, function(datestring) {
    return datestring.replace(/\+/g, "/");
});
        
console.log(Date.parse("10+16+1980"));