摘要：本文分享了js正則表達式（^((-\d+)|(0+))$）校驗非正整數(shù)實例代碼，代碼簡單易懂.<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtm
本文分享了js正則表達式（^((-\d+)|(0+))$）校驗非正整數(shù)實例代碼，代碼簡單易懂.
<!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 = /^((-\d+)|(0+))$/;
if (val != "") {
if (!regu.test(val)) {
document.getElementById("labResult").style.color = "red";
document.getElementById("labResult").innerHTML = "驗證失??！";
} else {
document.getElementById("labResult").style.color = "green";
document.getElementById("labResult").innerHTML = "驗證成功！";
}
}
}
</script>
</head>
<body>
<input id="txtNumber" name="txtNumber" type="text" />
<input id="btnValidation" name="btnValidation" type="button" value="校驗" onclick="validation()" />
驗證結(jié)果：<label id="labResult" ></label>
</body>
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