Function classTest

tools/pythonauto/static/codemirrorepl/codemirror.js:7068–7068

(cls)

  };

  function classTest(cls) { return new RegExp("\\b" + cls + "\\b\\s*"); }
  function rmClass(node, cls) {
    var test = classTest(cls);
    if (test.test(node.className)) node.className = node.className.replace(test, "");