js封装正则验证

//根据不同的验证内容，返回相应的正则表达式

function returnRegString(regName) {
if (regName == "email") {
return "^([a-zA-Z0-9_.-])+@(([a-zA-Z0-9-])+.)+([a-zA-Z0-9]{2,4})+$"; //邮箱
} else if (regName == "tel") {
return "^(86)?(-)?(0[0-9]{2,3})?(-)?([0-9]{7,8})(-)?([0-9]{3,5})?$"; //电话
} else if (regName == "phone") {
return "^(13[0-9]|15[0-9]|18[0-9])([0-9]{8})$"; //手机
} else if (regName == "postcode") {
return "^([0-9]{6})$"; //邮编
} else if (regName == "number") {
return "^(0|([1-9]+[0-9]*))(.[0-9]+)?$"; //数字
} else if (regName == "decimal") {
return "^[0-9]+([.][0-9]+)?$"; //浮点
} else if (regName == "money") {
return "^([0-9])$"; //货币
} else if (regName == "website") { //网址
return "(http://|https://){0,1}[w/.?&=]+";
} else if (regName == "fax") { //传真
return "^[+]{0,1}([0-9]){1,3}[ ]?([-]?(([0-9])|[ ]){1,12})+$";
} else if (regName == "int") { //整数
return "^(-){0,1}d+$";
} else if (regName == "pInt") { //正整数
return "^d+$";
} else if (regName == "nInt") { //负整数
return "^-d+$";
} else if (regName == "nandl") { //数字与字母
return "[a-zA-Z0-9]";
} else if (regName == "chinese") { //是否含有中文字符
return "[u4e00-u9fa5]";
}
}