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<!DOCTYPE html>
<html>
<body>
​
<h1>JavaScript 正则表达式</h1>
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<p>在单词结尾搜索字符 "LO" ：</p>
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<p>"HELLO, LOOK AT YOU!"</p>
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<p id="demo"></p>
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<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>
​