（2.3.12.1）正则校验字符串是否为数字

package com.sangfor.pocket.expenses.util;

import java.util.regex.Matcher;
import java.util.regex.Pattern;

/** * 类描述： * <p/> * Created by sf on 2016/5/5. */
public class NumberValidationUtils {

    private static boolean isMatch(String regex,String orginal){
        if (orginal == null || orginal.trim().equals("")) {
            return false;
        }
        Pattern pattern = Pattern.compile(regex);
        Matcher isNum = pattern.matcher(orginal);
        return isNum.matches();
    }

    public static boolean isPositiveInteger(String orginal) {
        return isMatch("^+{0,1}[1-9]d*",orginal);
    }

    public static boolean isNegativeInteger(String orginal) {
        return isMatch("^-[1-9]d*",orginal);
    }

    public static boolean isWholeNumber(String orginal) {
        return isMatch("[+-]{0,1}0",orginal) || isPositiveInteger(orginal) || isNegativeInteger(orginal);
    }

    public static boolean isPositiveDecimal(String orginal){
        return isMatch("+{0,1}[0].[1-9]*|+{0,1}[1-9]d*.d*",orginal);
    }

    public static boolean isNegativeDecimal(String orginal){
        return isMatch("^-[0].[1-9]*|^-[1-9]d*.d*",orginal);
    }

    public static boolean isDecimal(String orginal){
        return isMatch("[-+]{0,1}d+.d*|[-+]{0,1}d*.d+",orginal);
    }

    public static boolean isRealNumber(String orginal){
        return isWholeNumber(orginal) || isDecimal(orginal);
    }

    //最高9位整数，最高2位小数
    public static final String AMOUNT_ZERO_REGEX = "(0*)(.0{0,2})?"; //0正则
    public static final String AMOUNT_DECIMAL_REGEX = "(d*)(.d{0,2})?"; //正小数正则
    public static final String NUMBER_REGEX = "^[1-9]+d*$";// 必须是1-9开头的。
    public static final String USER_NAME_REGEX = "^[wu4e00-u9fa5][swu4e00-u9fa5]*(?!s)$"; //名字过滤正则
    public static boolean isMax92Decimal(String orginal){
        return isMatch("^([1-9]d{0,8})(.d{0,2})?$",orginal);
    }

}