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<!DOCTYPE html> <html> <body> <p>单击该按钮可对不是 [a-s] 的字符范围进行全局的、不区分大小写的搜索。</p> <button onclick="myFunction()">试一试</button> <p id="demo"></p> <script> function myFunction() { var str = "I Scream For Ice Cream, is that OK?!"; var patt1 = /[^a-s]/gi; var result = str.match(patt1); document.getElementById("demo").innerHTML= result; } </script> </body> </html>