Posted in Javascript onNovember 05, 2013
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>js实现在字符串中提取数字</title>
<script language="javascript" type="text/javascript">
function getNum(text){
var value = text.replace(/[^0-9]/ig,"");
alert(value);
}
</script>
</head>
<body>
<input type="text" id="btn_getNum"/>
<input type="button" value="得到数字" onclick="getNum(btn_getNum.value);"/>
</body>
</html>
js实现在字符串中提取数字
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