<!doctype html>
<html>
<head>
<title>标题</title>
<meta charset="utf-8">
<script>
var str="You can you up";
var kwords=str.match(/you/ig);
console.dir(kwords);
var story="那天,我去了她家。"+
"我说:我草,你家真大!"+
"她说,想和我去草地野餐。"+
"我草草的收拾了草地。"+
"她说,我去去就来";
//story="you can you up";
var kwords=story.match(
/我[去草]{1,2}/ );
console.dir(kwords);
console.log(
kwords!=null?
"共找到"+kwords.length
+"个关键词:"
+String(kwords):
"没找到"
)
var pid="130102198312262151";
var birth=
pid.match(
/(19\d{2})(\d{2})(\d{2})/
);
console.dir(birth);
</script>
</head>
<body>
</body>
</html>
javascript之正则表达式(二)(match用法)
最新推荐文章于 2023-08-15 16:50:38 发布