在Java项目利用正则实现验证邮箱、金额或日期

package com.hooypay.tool;
import java.io.IOException;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
public class Check {
  // 判断电话
  public static boolean isTelephone(String phonenumber) {
    String phone = "0\\d{2,3}-\\d{7,8}";
    Pattern p = Pattern.compile(phone);
    Matcher m = p.matcher(phonenumber);
    return m.matches();
  }
  // 判断手机号
  public static boolean isMobileNO(String mobiles) {
    Pattern p = Pattern.compile("^((13[0-9])|(15[^4,\\D])|(18[0,5-9]))\\d{8}$");
    Matcher m = p.matcher(mobiles);
    return m.matches();
  }
  // 判断邮箱
  public static boolean isEmail(String email) {
    String str = "^([a-zA-Z0-9]*[-_]?[a-zA-Z0-9]+)*@([a-zA-Z0-9]*[-_]?[a-zA-Z0-9]+)+[\\.][A-Za-z]{2,3}([\\.][A-Za-z]{2})?$";
    Pattern p = Pattern.compile(str);
    Matcher m = p.matcher(email);
    return m.matches();
  }
  // 判断日期格式:yyyy-mm-dd
  public static boolean isValidDate(String sDate) {
    String datePattern1 = "\\d{4}-\\d{2}-\\d{2}";
    String datePattern2 = "^((\\d{2}(([02468][048])|([13579][26]))"
        + "[\\-\\/\\s]?((((0?[13578])|(1[02]))[\\-\\/\\s]?((0?[1-9])|([1-2][0-9])|"
        + "(3[01])))|(((0?[469])|(11))[\\-\\/\\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\\-\\/\\s]?"
        + "((0?[1-9])|([1-2][0-9])))))|(\\d{2}(([02468][1235679])|([13579][01345789]))[\\-\\/\\s]?("
        + "(((0?[13578])|(1[02]))[\\-\\/\\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\\-\\/\\s]?"
        + "((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\\-\\/\\s]?((0?[1-9])|(1[0-9])|(2[0-8]))))))";
    if ((sDate != null)) {
      Pattern pattern = Pattern.compile(datePattern1);
      Matcher match = pattern.matcher(sDate);
      if (match.matches()) {
        pattern = Pattern.compile(datePattern2);
        match = pattern.matcher(sDate);
        return match.matches();
      } else {
        return false;
      }
    }
    return false;
  }
  //验证金额
  public static boolean isNumber(String str)
  {
    java.util.regex.Pattern pattern=java.util.regex.Pattern.compile("^(([1-9]{1}\\d*)|([0]{1}))(\\.(\\d){0,2})?$"); // 判断小数点后一位的数字的正则表达式
    java.util.regex.Matcher match=pattern.matcher(str);
    if(match.matches()==false)
    {
      return false;
    }
    else
    {
      return true;
    }
  }
}