removing c-styled comments using javascript

gistfile1.js

// vim: set ft=javascript

// removing c-styled comments using javascript
function removeComments(str) {
    // Remove all C-style slash comments
    str = str.replace(/(?:^|[^\\])\/\/.*$/gm, '');
    // Remove all C-style star comments
    str = str.replace(/\/\*[\s\S]*?\*\//gm, '');
    return str;
}