huaxun/LekangGuard/Common/NSString+Check.m

//
//  NSString+Check.m
//  拍货郎
//
//  Created by 刘峰 on 2019/3/22.
//  Copyright © 2019年 刘峰. All rights reserved.
//

#import "NSString+Check.h"
#import "NSString+YYAdd.h"

@implementation NSString (Check)

- (BOOL)checkPhone{
    if (![self isNotBlank]) {
        return NO;
    }
    if (self.length != 11) {
        return NO;
    }
    NSString *regex = @"^(\\+86-|\\+86|86-|86){0,1}1[1|3|4|5|6|7|8|9]{1}\\d{9}$";
    NSPredicate *pred = [NSPredicate predicateWithFormat:@"SELF MATCHES %@", regex];
    BOOL isMatch = [pred evaluateWithObject:self];
    if (!isMatch){
        return NO;
    }
    return YES;
}

- (BOOL)checkBankCard{
    int oddSum = 0;     // 奇数和
    int evenSum = 0;    // 偶数和
    int allSum = 0;     // 总和
    // 循环加和
    for (NSInteger i = 1; i <= self.length; i++){
        NSString *theNumber = [self substringWithRange:NSMakeRange(self.length-i, 1)];
        int lastNumber = [theNumber intValue];
        if (i%2 == 0){
            // 偶数位
            lastNumber *= 2;
            if (lastNumber > 9){
                lastNumber -=9;
            }
            evenSum += lastNumber;
        }else{
            // 奇数位
            oddSum += lastNumber;
        }
    }
    allSum = oddSum + evenSum;
    // 是否合法
    if (allSum%10 == 0){
        return YES;
    }else{
        return NO;
    }
}

- (BOOL)deptNumInputShouldNumber{
    if (self.length == 0) {
        return NO;
    }
    NSString *regex = @"[0-9]*";
    NSPredicate *pred = [NSPredicate predicateWithFormat:@"SELF MATCHES %@",regex];
    if ([pred evaluateWithObject:self]) {
        return YES;
    }
    return NO;
}

- (BOOL)isChinese{
    NSString *match = @"(^[\u4e00-\u9fa5]+$)";
    NSPredicate *predicate = [NSPredicate predicateWithFormat:@"SELF matches %@", match];
    return [predicate evaluateWithObject:self];
}

- (BOOL)includeChinese{
    for(int i=0; i< [self length];i++){
        int a =[self characterAtIndex:i];
        if( a >0x4e00&& a <0x9fff){
            return YES;
        }
    }
    return NO;
}

//校验身份证
- (BOOL)verifyIDCardNumber
{
    NSString *value = [self stringByTrimmingCharactersInSet:[NSCharacterSet whitespaceAndNewlineCharacterSet]];
    if ([value length] != 18) {
        return NO;
    }
    NSString *mmdd = @"(((0[13578]|1[02])(0[1-9]|[12][0-9]|3[01]))|((0[469]|11)(0[1-9]|[12][0-9]|30))|(02(0[1-9]|[1][0-9]|2[0-8])))";
    NSString *leapMmdd = @"0229";
    NSString *year = @"(19|20)[0-9]{2}";
    NSString *leapYear = @"(19|20)(0[48]|[2468][048]|[13579][26])";
    NSString *yearMmdd = [NSString stringWithFormat:@"%@%@", year, mmdd];
    NSString *leapyearMmdd = [NSString stringWithFormat:@"%@%@", leapYear, leapMmdd];
    NSString *yyyyMmdd = [NSString stringWithFormat:@"((%@)|(%@)|(%@))", yearMmdd, leapyearMmdd, @"20000229"];
    NSString *area = @"(1[1-5]|2[1-3]|3[1-7]|4[1-6]|5[0-4]|6[1-5]|82|[7-9]1)[0-9]{4}";
    NSString *regex = [NSString stringWithFormat:@"%@%@%@", area, yyyyMmdd  , @"[0-9]{3}[0-9Xx]"];
    NSPredicate *regexTest = [NSPredicate predicateWithFormat:@"SELF MATCHES %@", regex];
    if (![regexTest evaluateWithObject:value]) {
        return NO;
    }
    int summary = ([value substringWithRange:NSMakeRange(0,1)].intValue + [value substringWithRange:NSMakeRange(10,1)].intValue) *7
     + ([value substringWithRange:NSMakeRange(1,1)].intValue + [value substringWithRange:NSMakeRange(11,1)].intValue) *9
     + ([value substringWithRange:NSMakeRange(2,1)].intValue + [value substringWithRange:NSMakeRange(12,1)].intValue) *10
     + ([value substringWithRange:NSMakeRange(3,1)].intValue + [value substringWithRange:NSMakeRange(13,1)].intValue) *5
     + ([value substringWithRange:NSMakeRange(4,1)].intValue + [value substringWithRange:NSMakeRange(14,1)].intValue) *8
     + ([value substringWithRange:NSMakeRange(5,1)].intValue + [value substringWithRange:NSMakeRange(15,1)].intValue) *4
    + ([value substringWithRange:NSMakeRange(6,1)].intValue + [value substringWithRange:NSMakeRange(16,1)].intValue) *2
    + [value substringWithRange:NSMakeRange(7,1)].intValue *1 + [value substringWithRange:NSMakeRange(8,1)].intValue *6
    + [value substringWithRange:NSMakeRange(9,1)].intValue *3;
    NSInteger remainder = summary % 11;
    NSString *checkBit = @"";
    NSString *checkString = @"10X98765432";
    checkBit = [checkString substringWithRange:NSMakeRange(remainder,1)];// 判断校验位
    return [checkBit isEqualToString:[[value substringWithRange:NSMakeRange(17,1)] uppercaseString]];
}



/// 效验邮箱格式
- (BOOL)validateEmail
 {
     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:self];
}

@end