话不多说，请看实例代码：
<!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>
<title></title>
<script type="text/javascript">
function validation() {
var val = document.getelementbyid("txtnumber").value;
var regu = /^-[1-9]\d*$/;
if (val != "") {
if (!regu.test(val)) {
document.getelementbyid("labresult").style.color = "red";
document.getelementbyid("labresult").innerhtml = "验证失败！";
} else {
document.getelementbyid("labresult").style.color = "green";
document.getelementbyid("labresult").innerhtml = "验证成功！";
}
}
}
</script>
</head>
<body>
<input id="txtnumber" name="txtnumber" type="text" />
<input id="btnvalidation" name="btnvalidation" type="button" value="校验" onclick="validation()" />
验证结果：<label id="labresult" ></label>
</body>
</html>
以上就是javascript正则表达式校验非零的负整数实例 的内容。