test html tags other than img

var testRegex = function (string) {
  var pattern1 = /<[^>]+>/ig;
  var pattern2 = /<img [^>]+>/ig;

  return (pattern1.test(string) && !pattern2.test(string));
};

console.log(testRegex("abc<a href='http://example.com'>Link</a>defg")); // true
console.log(testRegex("abc<img src='example.jpg'>defg")); // false
console.log(testRegex("abc<a href='http://example.com'>Link</a>de<div>kkk</div>\
fg<img src='example.jpg'>")); // false
console.log(testRegex("abcdefg"));  // false
console.log(testRegex("abc<img src='example.jpg'>defg<img src='example.jpg'><im\
g src='example.jpg' width=25 height=25>")); // false