js验证数字正则表达式

最新推荐文章于 2024-03-17 22:33:49 发布

程江玉

最新推荐文章于 2024-03-17 22:33:49 发布

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http://blog.sina.com.cn/s/blog_46dd0d320100wzye.html

js验证数字正则表达式
文章分类:Web前端
js验证数字正则表达式

function istrue(a){
var reg=/^(([a-z]+[0-9]+)|([0-9]+[a-z]+))[a-z0-9]*$/i;
return reg.test(a);
}

function isNumeric(a) { var reg=/^(-|+)?d+(.d+)?$/ return(reg.test(a)); } //检查是否为正数 function isUnsignedNumeric(a) { var reg=/^d+(.d+)?$/ alert reg.test(a); } //检查是否为整数 function isInteger(a) { var reg=/^(-|+)?d+$/ return reg.test(a); } //检查是否为正整数 function isUnsignedInteger(a) { var reg =/^d+$/ return reg.test(a); } //检查是否数字 function isNum(a) { var reg = /^d+(.d+)?$/; reg.test(a); } //检查是否整数 function isInt(a) { var reg = /^-?d+$/; return reg.test(a); } //去掉非法字符 function trim(str) { return str.replace(/^\s+|\s+$/g, ''); } //添加部分正则表达式(JQuery) // 正则规则 "eng" : /^[A-Za-z]+$/, "chn" :/^[\u0391-\uFFE5]+$/, "mail" : /\w+([-+.]\w+)*@\w+([-.]\w+)*\.\w+([-.]\w+)*/, "url" : /^http[s]?:\/\/[A-Za-z0-9]+\.[A-Za-z0-9]+[\/=\?%\-&_~`@[\]\':+!]*([^<>\"\"])*$/, "currency" : /^\d+(\.\d+)?$/, "number" : /^\d+$/, "int" : /^[0-9]{1,30}$/, "double" : /^[-\+]?\d+(\.\d+)?$/, "username" : /^[a-zA-Z]{1}([a-zA-Z0-9]|[._]){4,19}$/, "password" : /^(\w){6,20}$/, "safe" : />|<|,|\[|\]|\{|\}|\?|\/|\+|=|\||\'|\\|\"|:|;|\~|\!|\@|\#|\*|\$|\%|\^|\&|$|$|`/i, "dbc" : /[ａ-ｚＡ-Ｚ０-９！＠＃￥％＾＆＊（）＿＋｛｝［］｜：＂＇；．，／？＜＞｀～　]/, "qq" : /[1-9][0-9]{4,}/, "date" : /^((((1[6-9]|[2-9]\d)\d{2})-(0?[13578]|1[02])-(0?[1-9]|[12]\d|3[01]))|(((1[6-9]|[2-9]\d)\d{2})-(0?[13456789]|1[012])-(0?[1-9]|[12]\d|30))|(((1[6-9]|[2-9]\d)\d{2})-0?2-(0?[1-9]|1\d|2[0-8]))|(((1[6-9]|[2-9]\d)(0[48]|[2468][048]|[13579][26])|((16|[2468][048]|[3579][26])00))-0?2-29-))$/, "year" : /^(19|20)[0-9]{2}$/, "month" : /^(0?[1-9]|1[0-2])$/, "day" : /^((0?[1-9])|((1|2)[0-9])|30|31)$/, "hour" : /^((0?[1-9])|((1|2)[0-3]))$/, "minute" : /^((0?[1-9])|((1|5)[0-9]))$/, "second" : /^((0?[1-9])|((1|5)[0-9]))$/, "mobile" : /^(($\d{2,3}$)|(\d{3}\-))?13\d{9}$/, "phone" : /^[+]{0,1}(\d){1,3}[ ]?([-]?((\d)|[ ]){1,12})+$/, "zipcode" : /^[1-9]\d{5}$/, "bodycard" : /^((1[1-5])|(2[1-3])|(3[1-7])|(4[1-6])|(5[0-4])|(6[1-5])|71|(8[12])|91)\d{4}((19\d{2}(0[13-9]|1[012])(0[1-9]|[12]\d|30))|(19\d{2}(0[13578]|1[02])31)|(19\d{2}02(0[1-9]|1\d|2[0-8]))|(19([13579][26]|[2468][048]|0[48])0229))\d{3}(\d|X|x)?$/, "ip" : /^(\d{1,2}|1\d\d|2[0-4]\d|25[0-5])\.(\d{1,2}|1\d\d|2[0-4]\d|25[0-5])\.(\d{1,2}|1\d\d|2[0-4]\d|25[0-5])\.(\d{1,2}|1\d\d|2[0-4]\d|25[0-5])$/, "file": /^[A-Za-z0-9]+((\.|-)[A-Za-z0-9]+)*\.[A-Za-z0-9]+$/, "image" : /.+\.(jpg|gif|png|bmp)$/i, "word" : /.+\.(doc|rtf|pdf)$/i,