菜鸟教程在线编辑器

AI 编程工具
 
                <!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>菜鸟教程(runoob.com)</title>
</head>
<body>

<script>
// 使用 \b 进行单词匹配
var patternWord = /\bword\b/;
var textWord = 'This is a word in a sentence.';

if (patternWord.test(textWord)) {
    document.write('找到匹配的单词：', patternWord.exec(textWord)[0]);
} else {
    document.write('没有找到匹配的内容！');
}
</script>

</body>
</html>
              