J2EE中一些正则表达式的判断

import java.util.regex.Matcher;
import java.util.regex.Pattern;
public class RegexBean {
        Pattern p = null;
        Matcher m = null;
        String str1 = "^[0-9]{1,20}$"; //校验是否全由数字组成
        String str2 = "^[a-zA-Z]{1}([a-zA-Z0-9]|[._]){4,19}$";
        //校验登录名：只能输入5-20个以字母开头、可带数字、“_”、“.”的字串
        //String str20="^([0-9]{1}[.]{0,1}[0-9]*)$";
        String str3 = "^(\\w){6,20}$"; //校验密码：只能输入6-20个字母、数字、下划线
        String str4 = "^[+]{0,1}(\\d){1,3}[ ]?([-]?((\\d)|[ ]){1,12})+$";
        //校验普通电话、传真号码：可以“+”开头，除数字外，可含有“-”
        String str5 = "^[+]{0,1}(\\d){1,3}[ ]?([-]?((\\d)|[ ]){1,12})+$"; //校验手机号码
        String str6 = "^[a-zA-Z0-9 ]{3,6}$"; //校验邮政编码
        String str7 = "^[0-9.]{1,20}$"; //ip
        String str8 = "^\\d+$"; //非负整数
        String str9 = "^[0-9]*[1-9][0-9]*$"; //正整数
        String str10 = "^[A-Za-z]+$"; //由26个英文字母组成的字符串
        String str11 = "^\\w+$"; //由数字、26个英文字母或者下划线组成的字符串
        String str12 = "^[\\w-]+(\\.[\\w-]+)*@[\\w-]+(\\.[\\w-]+)+$"; //email
        String str13 = "^[a-zA-z]+://(\\w+(-\\w+)*)(\\.(\\w+(-\\w+)*))*(\\?\\S*)?$";
        //url
        String str14 = "[0-9]{4}\\-[0-9]{1,2}\\-[0-9]{1,2}";
        String str15 =
                "^((((19|20)(([02468][048])|([13579][26]))\\-02\\-29))|((20[0-9][0-9])|(19[0-9][0-9]))\\-((((0[1-9])|(1[0-2]))\\-((0[1-9])|(1\\d)|(2[0-8])))|((((0[13578])|(1[02]))\\-31)|(((01,3-9])|(1[0-2]))\\-(29|30)))))$";
                //date 如2004－06－06,非常精确，如2004－06－32可以查出非法！！
        String str16 =
                "^(\\d{4})\\-(\\d{2})\\-(\\d{2}) (\\d{2}):(\\d{2}):(\\d{2})$";
                //date and time 如2004－11－12 12：10：16
        String str17 = "^([\u4e00-\u9fa5]*)";//汉字
        public RegexBean() {}
        public boolean isDate(String str) {
                p = Pattern.compile(str15);
                m = p.matcher(str);
                boolean b = m.matches();
                if (b)
                        return true;
                else
                        return false;
        }
        /*public boolean isfloat(String str)
        {
            p=Pattern.compile(str20);
            m=p.matcher(str);
            boolean b=m.matches();
            if(b)
                return true;
            else
                return false;
        }*/
        public boolean isEmail(String str) {
                p = Pattern.compile(str12);
                m = p.matcher(str);
                boolean b = m.matches();
                if (b)
                        return true;
                else
                        return false;
        }
        public boolean isDateAndTime(String str) {
                p = Pattern.compile(str16);
                m = p.matcher(str);
                boolean b = m.matches();
                if (b)
                        return true;
                else
                        return false;
        }
        public boolean isUserName(String str) {
                p = Pattern.compile(str2);
                m = p.matcher(str);
                boolean b = m.matches();
                if (b)
                        return true;
                else
                        return false;
        }
        public boolean isPassword(String str) {
                p = Pattern.compile(str3);
                m = p.matcher(str);
                boolean b = m.matches();
                if (b)
                        return true;
                else
                        return false;
        }
        public boolean isPhone(String str) {
                p = Pattern.compile(str4);
                m = p.matcher(str);
                boolean b = m.matches();
                if (b)
                        return true;
                else
                        return false;
        }
        public boolean isMobile(String str) {
                p = Pattern.compile(str5);
                m = p.matcher(str);
                boolean b = m.matches();
                if (b)
                        return true;
                else
                        return false;
        }
        public boolean isPost(String str) {
                p = Pattern.compile(str6);
                m = p.matcher(str);
                boolean b = m.matches();
                if (b)
                        return true;
                else
                        return false;
        }
        public boolean isIP(String str) {
                p = Pattern.compile(str7);
                m = p.matcher(str);
                boolean b = m.matches();
                if (b)
                        return true;
                else
                        return false;
        }
        public boolean isChinese(String str) {
                p = Pattern.compile(str17);
                m = p.matcher(str);
                boolean b = m.matches();
                if (b)
                        return true;
                else
                        return false;
        }
        public boolean isURL(String str) {
                p = Pattern.compile(str13);
                m = p.matcher(str);
                boolean b = m.matches();
                if (b)
                        return true;
                else
                        return false;
        }
        public boolean isDigit(String str) {
                p = Pattern.compile(str1);
                m = p.matcher(str);
                boolean b = m.matches();
                if (b)
                        return true;
                else
                        return false;
        }
        public static void main(String[] args) {
                RegexBean bb = new RegexBean();
                String str = "2005-11-01";
                System.out.println(bb.isDate(str));
                //String f="38700000000";
                //System.out.println(bb.isMobile(f));
        }
}