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<!DOCTYPE html> <html> <body> <h1>JavaScript 正则表达式</h1> <p>对从大写 "A" 到小写 "e" 的任何字符进行全局搜索：</p> <p id="demo"></p> <script> let text = "I Scream For Ice Cream, is that OK?!"; let pattern = /[A-e]/g; let result = text.match(pattern); document.getElementById("demo").innerHTML=result; </script> </body> </html>