find all nodes in DOM with RegExp and delete classNames

walk-dom-delete-classes.js

var walk_the_DOM = function walk(node, func) {
    func(node);
    node = node.firstChild;
    while (node) {
        walk(node, func);
        node = node.nextSibling;
    }
};

function removeRegExClassesFromDOM(className) {
    walk_the_DOM(document.body, function (node) {
        if (node.nodeType == 1) {
            if (new RegExp(className).exec(node.className)) {
                node.className = "";
            }
        }
    });
}

//removeRegExpClassesFromDOM('helloMyName');