W3School TIY Editor
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<!DOCTYPE html> <html> <body> <h1>JavaScript 正则表达式</h1> <p>在字符串中对 "w3school" 进行不区分大小写的搜索：</p> <p id="demo"></p> <script> let text = "Visit W3School"; let pattern = /w3school/i; let result = text.match(pattern); document.getElementById("demo").innerHTML = result; </script> </body> </html>