<html><body><p>单击该按钮可在全局范围内搜索不是从大写字母 A 到大写字母 E 的字符范围。</p><button onclick="myFunction()">试一试</button><p id="demo"></p><script>function myFunction() { var str = "I SCREAM FOR ICE CREAM!"; var patt1 = /[^A-E]/g; var result = str.match(patt1); document.getElementById("demo").innerHTML = result;}</script></body></html>