W3School TIY Editor
W3School 在线教程
改变方向
暗黑模式
运行代码
<!DOCTYPE html> <html> <body> <h1>JavaScript 正则表达式</h1> <p>在单词结尾搜索字符 "LO" ：</p> <p>"HELLO, LOOK AT YOU!"</p> <p id="demo"></p> <script> let text = "HELLO, LOOK AT YOU!"; let pattern = /LO\b/; let result = text.search(pattern); document.getElementById("demo").innerHTML = "Found in position: " + result; </script> </body> </html>