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2018-07-11 7b02207537d35bfa1714bf8beafc921f717d100a

 screendisplay/screendisplay/Classes/Utility/StringUtil.m

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//
//  StringUtil.m
//  airtree
//
//  Created by WindShan on 2016/11/14.
//  Copyright © 2016年 Gloria. All rights reserved.
//

#import "StringUtil.h"

@implementation StringUtil

static char fxTwoCharToHex(char a, char b)
{
    char encoder[3] = {0,0,0};
    
    encoder[0] = a;
    encoder[1] = b;
    
    return (char) strtol(encoder,NULL,16);
}


+ (void)convertString:(NSString *)source toHexBytes:(unsigned char *)hexBuffer
{
    const char * bytes = [source cStringUsingEncoding:NSASCIIStringEncoding];
    unsigned char * index = hexBuffer;
    
    while ((*bytes) && (*(bytes +1))) {
        *index = fxTwoCharToHex(*bytes, *(bytes + 1));
        
        ++index;
        bytes += 2;
    }
    
    *index = 0;
}

+ (NSString *)intervalFromNowTime
{
    NSTimeInterval interval = [[NSDate date] timeIntervalSince1970];
    return [NSString stringWithFormat:@"%ld", (long)interval];
}


+ (NSString *)deleteChinesSpace:(NSString *)sourceText
{
    return [sourceText stringByReplacingOccurrencesOfString:@" " withString:@""];
}

+(NSString *)stringFromObject:(id)obj
{
    NSString *ret = nil;
    
    if ([obj isKindOfClass:[NSNumber class]]) {
        ret = [NSString stringWithFormat:@"%ld", [obj longValue]];
    }
    else {
        ret = obj;
    }
    
    return ret;
}

+ (BOOL) isMobile:(NSString *)mobileNumbel
{
    /**
     * 手机号码
     * 移动：134[0-8],135,136,137,138,139,147,150,151,157,158,159,182,187,188
     * 联通：130,131,132,152,155,156,185,186
     * 电信：133,1349,153,180,189,181(增加)
     */
    NSString * MOBIL = @"^1(3[0-9]|5[0-35-9]|8[025-9])\\d{8}$";
    /**
     10         * 中国移动：China Mobile
     11         * 134[0-8],135,136,137,138,139,147,150,151,157,158,159,182,187,188
     12         */
    NSString * CM = @"^1(34[0-8]|47[0-9]|(3[5-9]|5[017-9]|8[2378])\\d)\\d{7}$";
    /**
     15         * 中国联通：China Unicom
     16         * 130,131,132,152,155,156,185,186
     17         */
    NSString * CU = @"^1(3[0-2]|5[256]|8[56])\\d{8}$";
    /**
     20         * 中国电信：China Telecom
     21         * 133,1349,153,180,189,181(增加)
     22         */
    NSString * CT = @"^1((33|53|77|8[019])[0-9]|349)\\d{7}$";
    
    NSPredicate *regextestmobile = [NSPredicate predicateWithFormat:@"SELF MATCHES %@", MOBIL];
    NSPredicate *regextestcm = [NSPredicate predicateWithFormat:@"SELF MATCHES %@", CM];
    NSPredicate *regextestcu = [NSPredicate predicateWithFormat:@"SELF MATCHES %@", CU];
    NSPredicate *regextestct = [NSPredicate predicateWithFormat:@"SELF MATCHES %@", CT];
    
    if (([regextestmobile evaluateWithObject:mobileNumbel]
         || [regextestcm evaluateWithObject:mobileNumbel]
         || [regextestct evaluateWithObject:mobileNumbel]
         || [regextestcu evaluateWithObject:mobileNumbel])) {
        return YES;
    }
    
    return NO;
}

//邮箱地址的正则表达式
+ (BOOL)isValidateEmail:(NSString *)email
{
    NSString *emailRegex = @"[A-Z0-9a-z._%+-]+@[A-Za-z0-9.-]+\\.[A-Za-z]{2,4}";
    NSPredicate *emailTest = [NSPredicate predicateWithFormat:@"SELF MATCHES %@", emailRegex];
    return [emailTest evaluateWithObject:email];
}

//车牌号验证
+ (BOOL) validateCarNo:(NSString *)carNo
{
    NSString *carRegex = @"^[\u4e00-\u9fa5]{1}[a-zA-Z]{1}[a-zA-Z_0-9]{4}[a-zA-Z_0-9_\u4e00-\u9fa5]$";
    NSPredicate *carTest = [NSPredicate predicateWithFormat:@"SELF MATCHES %@",carRegex];
    return [carTest evaluateWithObject:carNo];
}

//车型
+ (BOOL) validateCarType:(NSString *)CarType
{
    NSString *CarTypeRegex = @"^[\u4E00-\u9FFF]+$";
    NSPredicate *carTest = [NSPredicate predicateWithFormat:@"SELF MATCHES %@",CarTypeRegex];
    return [carTest evaluateWithObject:CarType];
}

//用户名
+ (BOOL) validateUserName:(NSString *)name
{
    NSString *userNameRegex = @"^[A-Za-z0-9]{6,20}+$";
    NSPredicate *userNamePredicate = [NSPredicate predicateWithFormat:@"SELF MATCHES %@",userNameRegex];
    return [userNamePredicate evaluateWithObject:name];
}

//密码验证
+ (BOOL) validatePassword:(NSString *)passWord
{
    NSString *passWordRegex = @"^[a-zA-Z0-9]{6,20}+$";
    NSPredicate *passWordPredicate = [NSPredicate predicateWithFormat:@"SELF MATCHES %@",passWordRegex];
    return [passWordPredicate evaluateWithObject:passWord];
}

//昵称验证
+ (BOOL) validateNickname:(NSString *)nickname
{
    NSString *nicknameRegex = @"^[\u4e00-\u9fa5]{4,8}$";
    NSPredicate *passWordPredicate = [NSPredicate predicateWithFormat:@"SELF MATCHES %@",nicknameRegex];
    return [passWordPredicate evaluateWithObject:nickname];
}

//身份证号验证 验证身份证号（15位或18位数字）【最全的身份证校验，带校验位】
+ (BOOL) validateIdentityCard: (NSString *)idCardNumberStr
{
    idCardNumberStr = [idCardNumberStr stringByTrimmingCharactersInSet:[NSCharacterSet whitespaceAndNewlineCharacterSet]];
    NSInteger length = 0;
    if (!idCardNumberStr)
    {
        return NO;
    }
    else
    {
        length = idCardNumberStr.length;
        if (length != 15 && length !=18)
        {
            return NO;
        }
    }
    /*! 省份代码 */
    NSArray *areasArray =@[@"11", @"12", @"13", @"14", @"15", @"21", @"22", @"23", @"31", @"32", @"33", @"34", @"35", @"36", @"37", @"41", @"42", @"43", @"44", @"45", @"46", @"50", @"51", @"52", @"53", @"54", @"61", @"62", @"63", @"64", @"65", @"71", @"81", @"82", @"91"];
    
    NSString *valueStart2 = [idCardNumberStr substringToIndex:2];
    BOOL areaFlag = NO;
    for (NSString *areaCode in areasArray)
    {
        if ([areaCode isEqualToString:valueStart2])
        {
            areaFlag =YES;
            break;
        }
    }
    if (!areaFlag)
    {
        return NO;
    }
    
    NSRegularExpression *regularExpression;
    NSUInteger numberofMatch;
    
    NSInteger year = 0;
    switch (length)
    {
        case 15:
            year = [idCardNumberStr substringWithRange:NSMakeRange(6,2)].intValue +1900;
            
            if (year % 4 ==0 || (year % 100 ==0 && year % 4 ==0))
            {
                /*! 测试出生日期的合法性 */
                regularExpression = [[NSRegularExpression alloc] initWithPattern:@"^[1-9][0-9]{5}[0-9]{2}((01|03|05|07|08|10|12)(0[1-9]|[1-2][0-9]|3[0-1])|(04|06|09|11)(0[1-9]|[1-2][0-9]|30)|02(0[1-9]|[1-2][0-9]))[0-9]{3}$"
                                                                         options:NSRegularExpressionCaseInsensitive
                                                                           error:nil];
            }
            else
            {
                /*! 测试出生日期的合法性 */
                regularExpression = [[NSRegularExpression alloc] initWithPattern:@"^[1-9][0-9]{5}[0-9]{2}((01|03|05|07|08|10|12)(0[1-9]|[1-2][0-9]|3[0-1])|(04|06|09|11)(0[1-9]|[1-2][0-9]|30)|02(0[1-9]|1[0-9]|2[0-8]))[0-9]{3}$"
                                                                         options:NSRegularExpressionCaseInsensitive
                                                                           error:nil];
            }
            numberofMatch = [regularExpression numberOfMatchesInString:idCardNumberStr
                                                               options:NSMatchingReportProgress
                                                                 range:NSMakeRange(0, idCardNumberStr.length)];
            
            if(numberofMatch > 0)
            {
                return YES;
            }
            else
            {
                return NO;
            }
            break;
        case 18:
            
            year = [idCardNumberStr substringWithRange:NSMakeRange(6,4)].intValue;
            if (year % 4 ==0 || (year % 100 ==0 && year % 4 ==0))
            {
                /*! 测试出生日期的合法性 */
                regularExpression = [[NSRegularExpression alloc] initWithPattern:@"^[1-9][0-9]{5}19[0-9]{2}((01|03|05|07|08|10|12)(0[1-9]|[1-2][0-9]|3[0-1])|(04|06|09|11)(0[1-9]|[1-2][0-9]|30)|02(0[1-9]|[1-2][0-9]))[0-9]{3}[0-9Xx]$"
                                                                         options:NSRegularExpressionCaseInsensitive
                                                                           error:nil];
            }
            else
            {
                /*! 测试出生日期的合法性 */
                regularExpression = [[NSRegularExpression alloc] initWithPattern:@"^[1-9][0-9]{5}19[0-9]{2}((01|03|05|07|08|10|12)(0[1-9]|[1-2][0-9]|3[0-1])|(04|06|09|11)(0[1-9]|[1-2][0-9]|30)|02(0[1-9]|1[0-9]|2[0-8]))[0-9]{3}[0-9Xx]$"
                                                                         options:NSRegularExpressionCaseInsensitive
                                                                           error:nil];
            }
            numberofMatch = [regularExpression numberOfMatchesInString:idCardNumberStr
                                                               options:NSMatchingReportProgress
                                                                 range:NSMakeRange(0, idCardNumberStr.length)];
            
            if(numberofMatch > 0)
            {
                NSInteger S = ([idCardNumberStr substringWithRange:NSMakeRange(0,1)].intValue + [idCardNumberStr substringWithRange:NSMakeRange(10,1)].intValue) *7 + ([idCardNumberStr substringWithRange:NSMakeRange(1,1)].intValue + [idCardNumberStr substringWithRange:NSMakeRange(11,1)].intValue) *9 + ([idCardNumberStr substringWithRange:NSMakeRange(2,1)].intValue + [idCardNumberStr substringWithRange:NSMakeRange(12,1)].intValue) *10 + ([idCardNumberStr substringWithRange:NSMakeRange(3,1)].intValue + [idCardNumberStr substringWithRange:NSMakeRange(13,1)].intValue) *5 + ([idCardNumberStr substringWithRange:NSMakeRange(4,1)].intValue + [idCardNumberStr substringWithRange:NSMakeRange(14,1)].intValue) *8 + ([idCardNumberStr substringWithRange:NSMakeRange(5,1)].intValue + [idCardNumberStr substringWithRange:NSMakeRange(15,1)].intValue) *4 + ([idCardNumberStr substringWithRange:NSMakeRange(6,1)].intValue + [idCardNumberStr substringWithRange:NSMakeRange(16,1)].intValue) *2 + [idCardNumberStr substringWithRange:NSMakeRange(7,1)].intValue *1 + [idCardNumberStr substringWithRange:NSMakeRange(8,1)].intValue *6 + [idCardNumberStr substringWithRange:NSMakeRange(9,1)].intValue *3;
                NSInteger Y = S % 11;
                NSString *M = @"F";
                NSString *JYM = @"10X98765432";
                /*! 判断校验位 */
                M = [JYM substringWithRange:NSMakeRange(Y,1)];
                if ([M isEqualToString:[idCardNumberStr substringWithRange:NSMakeRange(17,1)]])
                {
                    /*! 检测ID的校验位 */
                    return YES;
                }
                else
                {
                    return NO;
                }
                
            }
            else
            {
                return NO;
            }
            break;
        default:
            return NO;
            break;
    }

}

#pragma mark - ***** 验证IP地址（15位或18位数字）
+ (BOOL)ba_isIPAddress:(NSString *)iPAddressStr
{
    NSString *pattern = @"((2[0-4]\\d|25[0-5]|[01]?\\d\\d?)\\.){3}(2[0-4]\\d|25[0-5]|[01]?\\d\\d?)";
    NSRegularExpression *regex = [[NSRegularExpression alloc] initWithPattern:pattern options:0 error:nil];
    NSArray *results = [regex matchesInString:iPAddressStr options:0 range:NSMakeRange(0, iPAddressStr.length)];
    return results.count > 0;
}

#pragma mark - ***** 验证输入的是否是URL地址
+ (BOOL)ba_isUrl:(NSString *)urlStr
{
    //    NSString* verifyRules=@"^http://([\\w-]+\.)+[\\w-]+(/[\\w-./?%&=]*)?$";
    //    NSPredicate *verifyRulesPre = [NSPredicate predicateWithFormat:@"SELF MATCHES %@",verifyRules];
    //    return [verifyRulesPre evaluateWithObject:urlStr];
    
    NSString *pattern = @"\\b(([\\w-]+://?|www[.])[^\\s()<>]+(?:\\([\\w\\d]+\\)|([^[:punct:]\\s]|/)))";
    NSRegularExpression *regex = [[NSRegularExpression alloc] initWithPattern:pattern options:0 error:nil];
    NSArray *results = [regex matchesInString:urlStr options:0 range:NSMakeRange(0, urlStr.length)];
    return results.count > 0;
}


#pragma mark - ***** 工商税号验证
+ (BOOL)ba_isValidTaxNo:(NSString *)taxNo
{
    NSString *taxNoRegex = @"[0-9]\\d{13}([0-9]|X)$";
    NSPredicate *taxNoPredicate = [NSPredicate predicateWithFormat:@"SELF MATCHES %@",taxNoRegex];
    
    return [taxNoPredicate evaluateWithObject:taxNo];
}

#pragma mark - ***** Mac地址有效性验证
+ (BOOL)ba_isMacAddress:(NSString *)macAddress
{
    NSString *macAddRegex = @"([A-Fa-f\\d]{2}:){5}[A-Fa-f\\d]{2}";
    NSPredicate *macAddressPredicate = [NSPredicate predicateWithFormat:@"SELF MATCHES %@",macAddRegex];
    
    return [macAddressPredicate evaluateWithObject:macAddress];
}

/** 银行卡号有效性问题Luhn算法
 *  现行 16 位银联卡现行卡号开头 6 位是 622126～622925 之间的，7 到 15 位是银行自定义的，
 *  可能是发卡分行，发卡网点，发卡序号，第 16 位是校验码。
 *  16 位卡号校验位采用 Luhm 校验方法计算：
 *  1，将未带校验位的 15 位卡号从右依次编号 1 到 15，位于奇数位号上的数字乘以 2
 *  2，将奇位乘积的个十位全部相加，再加上所有偶数位上的数字
 *  3，将加法和加上校验位能被 10 整除。
 */
#pragma mark - ***** 银行卡号有效性问题Luhn算法
+ (BOOL)ba_isBankCardlNumCheck:(NSString *)bankCardlNum
{
    NSString *lastNum = [[bankCardlNum substringFromIndex:(bankCardlNum.length-1)] copy];//取出最后一位
    NSString *forwardNum = [[bankCardlNum substringToIndex:(bankCardlNum.length -1)] copy];//前15或18位
    
    NSMutableArray * forwardArr = [[NSMutableArray alloc] initWithCapacity:0];
    for (int i=0; i<forwardNum.length; i++)
    {
        NSString * subStr = [forwardNum substringWithRange:NSMakeRange(i, 1)];
        [forwardArr addObject:subStr];
    }
    
    NSMutableArray * forwardDescArr = [[NSMutableArray alloc] initWithCapacity:0];
    for (int i = (int)(forwardArr.count-1); i> -1; i--)
    {//前15位或者前18位倒序存进数组
        [forwardDescArr addObject:forwardArr[i]];
    }
    
    NSMutableArray * arrOddNum = [[NSMutableArray alloc] initWithCapacity:0];//奇数位*2的积 < 9
    NSMutableArray * arrOddNum2 = [[NSMutableArray alloc] initWithCapacity:0];//奇数位*2的积 > 9
    NSMutableArray * arrEvenNum = [[NSMutableArray alloc] initWithCapacity:0];//偶数位数组
    
    for (int i=0; i< forwardDescArr.count; i++)
    {
        NSInteger num = [forwardDescArr[i] intValue];
        if (i%2)
        {//偶数位
            [arrEvenNum addObject:[NSNumber numberWithInteger:num]];
        }
        else
        {//奇数位
            if (num * 2 < 9)
            {
                [arrOddNum addObject:[NSNumber numberWithInteger:num * 2]];
            }
            else
            {
                NSInteger decadeNum = (num * 2) / 10;
                NSInteger unitNum = (num * 2) % 10;
                [arrOddNum2 addObject:[NSNumber numberWithInteger:unitNum]];
                [arrOddNum2 addObject:[NSNumber numberWithInteger:decadeNum]];
            }
        }
    }
    
    __block  NSInteger sumOddNumTotal = 0;
    [arrOddNum enumerateObjectsUsingBlock:^(NSNumber * obj, NSUInteger idx, BOOL *stop) {
        sumOddNumTotal += [obj integerValue];
    }];
    
    __block NSInteger sumOddNum2Total = 0;
    [arrOddNum2 enumerateObjectsUsingBlock:^(NSNumber * obj, NSUInteger idx, BOOL *stop) {
        sumOddNum2Total += [obj integerValue];
    }];
    
    __block NSInteger sumEvenNumTotal =0 ;
    [arrEvenNum enumerateObjectsUsingBlock:^(NSNumber * obj, NSUInteger idx, BOOL *stop) {
        sumEvenNumTotal += [obj integerValue];
    }];
    
    NSInteger lastNumber = [lastNum integerValue];
    
    NSInteger luhmTotal = lastNumber + sumEvenNumTotal + sumOddNum2Total + sumOddNumTotal;
    
    return (luhmTotal%10 ==0)?YES:NO;
}

//判断是否为整形：
+ (BOOL)isPureInt:(NSString*)string
{
    NSScanner* scan = [NSScanner scannerWithString:string];
    int val;
    return[scan scanInt:&val] && [scan isAtEnd];
}
//判断是否为浮点形：
+ (BOOL)isPureFloat:(NSString*)string
{
    NSScanner* scan = [NSScanner scannerWithString:string];
    float val;
    return[scan scanFloat:&val] && [scan isAtEnd];
}
@end