整理了之前用到的一些驗證，發出來，希望對各位有用。

ValidateClass.h文件

//
//  ValidateClass.h
//  CustomProject
//
//  Created by Von on 2017/7/20.
//  Copyright ? 2017年 Von. All rights reserved.
//

#import <UIKit/UIKit.h>

@interface ValidateClass : NSObject

//驗證郵箱
+ (BOOL)validateEmail:(NSString *)email;

//驗證手機
+ (BOOL)validateMobile:(NSString *)mobile;

//驗證車牌號
+ (BOOL)validateCarNo:(NSString *)carNo;

//驗證用戶名
+ (BOOL)validateUserName:(NSString *)name;

//驗證密碼
+ (BOOL)validatePassword:(NSString *)passWord;

//驗證昵稱
+ (BOOL)validateNickname:(NSString *)nickname;

//驗證身份證
+ (BOOL)validateIdentityCard: (NSString *)identityCard;

//驗證身份證號碼最后一位是否為X  可用于身份證號碼輸入的自動補全
- (BOOL)theLastIsX:(NSString *)IDNumber;

//驗證金額
+ (BOOL)validateMoney:(NSString *)money;

//驗證webUrl
+ (BOOL)validateWebUrl:(NSString*)url;

//銀行卡號驗證
+ (BOOL)validateBankCard:(NSString*)cardNo;

//驗證IP
+ (BOOL)isValidatIP:(NSString *)ipAddress;

@end

ValidateClass.m文件

//
//  ValidateClass.m
//  CustomProject
//
//  Created by FengYiHao on 2017/7/20.
//  Copyright ? 2017年 FengYiHao. All rights reserved.
//

#import "ValidateClass.h"

@implementation ValidateClass

+ (BOOL)validateEmail:(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];
}


//手機號碼驗證
+ (BOOL)validateMobile:(NSString *)mobile
{
    //手機號以13， 15，18開頭，八個 \d 數字字符
    NSString *phoneRegex = @"^((13[0-9])|(15[^4,\\D])|(17[^4,\\D])|(18[0,0-9]))\\d{8}$";
    NSPredicate *phoneTest = [NSPredicate predicateWithFormat:@"SELF MATCHES %@",phoneRegex];
    return [phoneTest evaluateWithObject:mobile];
}
//金額驗證
+ (BOOL)validateMoney:(NSString *)money
{
    
    NSString *phoneRegex = @"^([0-9]*[1-9][0-9]*)$";
    NSPredicate *phoneTest = [NSPredicate predicateWithFormat:@"SELF MATCHES %@",phoneRegex];
    return [phoneTest evaluateWithObject:money];
}

//車牌號驗證
+ (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];
    NSLog(@"carTest is %@",carTest);
    return [carTest evaluateWithObject:carNo];
}


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


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


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


//身份證號
+ (BOOL)validateIdentityCard: (NSString *)identityCard
{
    //判斷是否為空
    if (identityCard==nil||identityCard.length <= 0) {
        return NO;
    }
    //判斷是否是18位，末尾是否是x
    NSString *regex2 = @"^(\\d{14}|\\d{17})(\\d|[xX])$";
    NSPredicate *identityCardPredicate = [NSPredicate predicateWithFormat:@"SELF MATCHES %@",regex2];
    if(![identityCardPredicate evaluateWithObject:identityCard]){
        return NO;
    }
    //判斷生日是否合法
    NSRange range = NSMakeRange(6,8);
    NSString *datestr = [identityCard substringWithRange:range];
    NSDateFormatter *formatter = [[NSDateFormatter alloc] init];
    [formatter setDateFormat : @"yyyyMMdd"];
    if([formatter dateFromString:datestr]==nil){
        return NO;
    }
    
    //判斷校驗位
    if(identityCard.length==18)
    {
        NSArray *idCardWi= @[ @"7", @"9", @"10", @"5", @"8", @"4", @"2", @"1", @"6", @"3", @"7", @"9", @"10", @"5", @"8", @"4", @"2" ]; //將前17位加權因子保存在數組里
        NSArray * idCardY=@[ @"1", @"0", @"10", @"9", @"8", @"7", @"6", @"5", @"4", @"3", @"2" ]; //這是除以11后，可能產生的11位余數、驗證碼，也保存成數組
        int idCardWiSum=0; //用來保存前17位各自乖以加權因子后的總和
        for(int i=0;i<17;i++){
            idCardWiSum+=[[identityCard substringWithRange:NSMakeRange(i,1)] intValue]*[idCardWi[i] intValue];
        }
        
        int idCardMod=idCardWiSum%11;//計算出校驗碼所在數組的位置
        NSString *idCardLast=[identityCard substringWithRange:NSMakeRange(17,1)];//得到最后一位身份證號碼
        
        //如果等于2，則說明校驗碼是10，身份證號碼最后一位應該是X
        if(idCardMod==2){
            if([idCardLast isEqualToString:@"X"]||[idCardLast isEqualToString:@"x"]){
                return YES;
            }else{
                return NO;
            }
        }else{
            //用計算出的驗證碼與最后一位身份證號碼匹配，如果一致，說明通過，否則是無效的身份證號碼
            if([idCardLast intValue]==[idCardY[idCardMod] intValue]){
                return YES;
            }else{
                return NO;
            }
        }
    }
    return NO;
}

/** theLastIsX
 *
 *  驗證身份證號碼最后一位是否為X  可用于身份證號碼輸入的自動補全
 *
 */
- (BOOL)theLastIsX:(NSString *)IDNumber {
    NSMutableArray *IDArray = [NSMutableArray array];
    for (int i = 0; i < 17; i++) {
        NSRange range = NSMakeRange(i, 1);
        NSString *subString = [IDNumber substringWithRange:range];
        [IDArray addObject:subString];
    }
    NSArray *coefficientArray = [NSArray arrayWithObjects:@"7", @"9", @"10", @"5", @"8", @"4", @"2", @"1", @"6", @"3", @"7", @"9", @"10", @"5", @"8", @"4", @"2", nil];
    int sum = 0;
    for (int i = 0; i < 17; i++) {
        int coefficient = [coefficientArray[i] intValue];
        int ID = [IDArray[i] intValue];
        sum += coefficient * ID;
    }
    return (sum % 11 == 2) ? YES : NO;
}

//銀行卡號驗證
+ (BOOL)validateBankCard:(NSString*)cardNo{
    int oddsum = 0;     //奇數求和
    int evensum = 0;    //偶數求和
    int allsum = 0;
    int cardNoLength = (int)[cardNo length];
    int lastNum = [[cardNo substringFromIndex:cardNoLength-1] intValue];
    
    cardNo = [cardNo substringToIndex:cardNoLength - 1];
    for (int i = cardNoLength -1 ; i>=1;i--) {
        NSString *tmpString = [cardNo substringWithRange:NSMakeRange(i-1, 1)];
        int tmpVal = [tmpString intValue];
        if (cardNoLength % 2 ==1 ) {
            if((i % 2) == 0){
                tmpVal *= 2;
                if(tmpVal>=10)
                    tmpVal -= 9;
                evensum += tmpVal;
            }else{
                oddsum += tmpVal;
            }
        }else{
            if((i % 2) == 1){
                tmpVal *= 2;
                if(tmpVal>=10)
                    tmpVal -= 9;
                evensum += tmpVal;
            }else{
                oddsum += tmpVal;
            }
        }
    }
    
    allsum = oddsum + evensum;
    allsum += lastNum;
    if((allsum % 10) == 0)
        return YES;
    else
        return NO;
}


//驗證webUrl
+ (BOOL)validateWebUrl:(NSString*)url
{
    NSString *urlRegex = @"((http[s]{0,1}|ftp)://[a-zA-Z0-9\\.\\-]+\\.([a-zA-Z]{2,4})(:\\d+)?(/[a-zA-Z0-9\\.\\-~!@#$%^&*+?:_/=<>]*)?)|(www.[a-zA-Z0-9\\.\\-]+\\.([a-zA-Z]{2,4})(:\\d+)?(/[a-zA-Z0-9\\.\\-~!@#$%^&*+?:_/=<>]*)?)$";
    NSPredicate *urlPredicate = [NSPredicate predicateWithFormat:@"SELF MATCHES %@",urlRegex];
    return [urlPredicate evaluateWithObject:urlRegex];
}



//驗證IP
+ (BOOL)isValidatIP:(NSString *)ipAddress{
    
    NSString  *urlRegEx =@"^([01]?\\d\\d?|2[0-4]\\d|25[0-5])\\."
    "([01]?\\d\\d?|2[0-4]\\d|25[0-5])\\."
    "([01]?\\d\\d?|2[0-4]\\d|25[0-5])\\."
    "([01]?\\d\\d?|2[0-4]\\d|25[0-5])$";
    
    NSError *error;
    NSRegularExpression *regex = [NSRegularExpression regularExpressionWithPattern:urlRegEx options:0 error:&error];
    
    if (regex != nil) {
        NSTextCheckingResult *firstMatch=[regex firstMatchInString:ipAddress options:0 range:NSMakeRange(0, [ipAddress length])];
        
        if (firstMatch) {
            NSRange resultRange = [firstMatch rangeAtIndex:0];
            NSString *result=[ipAddress substringWithRange:resultRange];
            //輸出結果
            NSLog(@"%@",result);
            return YES;
        }
    }
    return NO;
}


@end