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<!DOCTYPE html> <html> <body> <h1>JavaScript 正则表达式</h1> <p>全局搜索不在从小写 "a" 到小写 "h" 范围内的字符：</p> <p id="demo"></p> <script> let text = "Is this all there is?"; let pattern = /[^a-h]/g; let result = text.match(pattern); document.getElementById("demo").innerHTML = result; </script> </body> </html>