正则表达 判断邮箱手机号等（备用）

#import <Foundation/Foundation.h>

@interface BCBaseObject : NSObject

/*
*  用正则判断用户名，是否2－16位
*/
+ (BOOL) checkInputUserName:(NSString *)text;

/*
*  用正则判断邮箱
*/
+ (BOOL) checkInputEmail:(NSString *)text;

/*
*  用正则判断密码，是否6－16位
*/
+ (BOOL) checkInputPassword:(NSString *)text;

/*
*  得到字符串长度 中英文混合情况下
*/
+(int)lengthToInt:(NSString*)string;

/*
*  将字符串进行MD5加密，返回加密后的字符串
*/
+ (NSString *) MD5Hash:(NSString*) aString;

/*
*  用正则判断手机号
*/
+ (BOOL)isMobileNumber:(NSString *)mobileNum;

/*
*  URL解码
*/
+ (NSString *)URLDecodedString:(NSString*)stringURL;

///*
// *  图片变灰
// */
//+ (UIImage *)grayscaleWithImage:(UIImage *)image;

///*
// *  判断字符串是否是数字组成
// */
+ (BOOL)isNumberStr:(NSString*)string;

/*
*  判断手机型号是否是iPhone5；
*/
+ (BOOL)isiPhone5Height:(NSInteger)height;

/*
*  判断是否是身份证
*  需要-(BOOL)isNumberStr:(NSString*)string配合
*/
+(BOOL)isPersonCard:(NSString*)string;

/*
*  判断String中是否都是数字
*/
-(BOOL)isNumberStr:(NSString*)string;

@end

//
//  BCBaseObject.m
//  ChangQu
//
//  Created by 牛 方健 on 13-4-17.
//  Copyright (c) 2013年 BC. All rights reserved.
//

#import "BCBaseObject.h"
#import <CommonCrypto/CommonDigest.h>

@implementation BCBaseObject

/*
*  用正则判断用户名，是否2－16位
*/
+ (BOOL) checkInputUserName:(NSString *)text
{
NSString *Regex = @"^\\w{2,16}$";
NSPredicate *userName = [NSPredicate predicateWithFormat:@"SELF MATCHES %@", Regex];
return [userName evaluateWithObject:text];
}

/*
*  用正则判断邮箱
*/
+ (BOOL) checkInputEmail:(NSString *)text
{
NSString *Regex = @"[A-Z0-9a-z._%+-]+@[A-Za-z0-9.-]+\\.[A-Za-z]{2,4}";
NSPredicate *email = [NSPredicate predicateWithFormat:@"SELF MATCHES %@", Regex];
return [email evaluateWithObject:text];
}

/*
*  用正则判断密码，是否6－20位
*/
+ (BOOL) checkInputPassword:(NSString *)text
{
NSString *Regex = @"\\w{6,16}";
NSPredicate *password = [NSPredicate predicateWithFormat:@"SELF MATCHES %@", Regex];
return [password evaluateWithObject:text];
}

/*
*  得到字符串长度 中英文混合情况下
*/
+(int)lengthToInt:(NSString*)string;
{
//去掉空格
NSString *st = [string  stringByTrimmingCharactersInSet:[NSCharacterSet whitespaceCharacterSet]];
int strlength = 0;
char* p = (char*)[st cStringUsingEncoding:NSUnicodeStringEncoding];
for (int i=0 ; i<[st lengthOfBytesUsingEncoding:NSUnicodeStringEncoding] ;i++) {
if (*p) {
p++;
strlength++;
}
else {
p++;
}
}
return strlength;
}

/*
*  将字符串进行MD5加密，返回加密后的字符串
*/

+ (NSString *) MD5Hash:(NSString*) aString
{
const char *cStr = [aString UTF8String];
unsigned char result[16];
CC_MD5(cStr, (int )strlen(cStr), result);
return [NSString stringWithFormat:
@"%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X",
result[0], result[1], result[2], result[3],
result[4], result[5], result[6], result[7],
result[8], result[9], result[10], result[11],
result[12], result[13], result[14], result[15]];
}

+ (BOOL)isMobileNumber:(NSString *)mobileNum
{
/**
* 手机号码
* 移动：134[0-8],135,136,137,138,139,150,151,157,158,159,182,187,188
* 联通：130,131,132,152,155,156,185,186
* 电信：133,1349,153,180,189
*/
NSString * MOBILE = @"^1(3[0-9]|4[0-9]|5[0-35-9]|8[025-9])\\d{8}$";
/**
10         * 中国移动：China Mobile
11         * 134[0-8],135,136,137,138,139,150,151,157,158,159,182,187,188
12         */
NSString * CM = @"^1(34[0-8]|(3[5-9]|5[017-9]|8[2378])\\d)\\d{7}$";
/**
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]|7[0-9]|8[56])\\d{8}$";
/**
20         * 中国电信：China Telecom
21         * 133,1349,153,180,189
22         */
NSString * CT = @"^1((33|53|8[09])[0-9]|349)\\d{7}$";
/**
25         * 大陆地区固话及小灵通
26         * 区号：010,020,021,022,023,024,025,027,028,029
27         * 号码：七位或八位
28         */
// NSString * PHS = @"^0(10|2[0-5789]|\\d{3})\\d{7,8}$";

NSPredicate *regextestmobile = [NSPredicate predicateWithFormat:@"SELF MATCHES %@", MOBILE];
NSPredicate *regextestcm = [NSPredicate predicateWithFormat:@"SELF MATCHES %@", CM];
NSPredicate *regextestcu = [NSPredicate predicateWithFormat:@"SELF MATCHES %@", CU];
NSPredicate *regextestct = [NSPredicate predicateWithFormat:@"SELF MATCHES %@", CT];

if (([regextestmobile evaluateWithObject:mobileNum] == YES)
|| ([regextestcm evaluateWithObject:mobileNum] == YES)
|| ([regextestct evaluateWithObject:mobileNum] == YES)
|| ([regextestcu evaluateWithObject:mobileNum] == YES))
{
return YES;
}
else
{
return NO;
}
}

/*
*  URL解码
*/
+ (NSString *)URLDecodedString:(NSString*)stringURL
{
return (__bridge NSString *)CFURLCreateStringByReplacingPercentEscapesUsingEncoding(kCFAllocatorDefault,
(CFStringRef)stringURL,
CFSTR(""),
kCFStringEncodingUTF8);
}

///*
// *  图片变灰
// */
//+ (UIImage *)grayscaleWithImage:(UIImage *)image
//{
//  CGSize size = image.size;
//  CGRect rect = CGRectMake(0.0f, 0.0f, image.size.width, image.size.height);
//
//  CGColorSpaceRef colorSpace = CGColorSpaceCreateDeviceGray();
//  CGContextRef context = CGBitmapContextCreate(nil, size.width, size.height, 8, 0, colorSpace, kCGImageAlphaNone);
//  CGColorSpaceRelease(colorSpace);
//
//  CGContextDrawImage(context, rect, [image CGImage]);
//  CGImageRef grayscale = CGBitmapContextCreateImage(context);
//  CGContextRelease(context);
//
//  UIImage * image1 = [UIImage imageWithCGImage:grayscale];
//  CFRelease(grayscale);
//
//  return image1;
//}

/*
*  判断字符串是否是数字组成
*/
+ (BOOL)isNumberStr:(NSString*)string
{
NSString *number =@"0123456789";
NSCharacterSet * cs =[[NSCharacterSet characterSetWithCharactersInString:number]invertedSet];
NSString * comparStr = [[string componentsSeparatedByCharactersInSet:cs]componentsJoinedByString:@""];
return [string isEqualToString:comparStr];
}

/*
*  判断手机型号是否是iPhone5；
*/
+ (BOOL)isiPhone5Height:(NSInteger)height
{
if (height>481) {
return YES;
}else
{
return NO;
}
}

/*
*  判断是否是身份证
*  需要-(BOOL)isNumberStr:(NSString*)string配合
*/
+(BOOL)isPersonCard:(NSString*)string
{
//    NSLog(@"%d",[self length]);
if ([string length]!= 15 && [string length] != 18)
{
return NO;
}
else if ( ([string length] == 18 ||[string length] ==15) && [self isNumberStr:string])
{
return YES;
}
else if ([string length] == 18  && ([self isNumberStr:[string substringToIndex:17] ] && ([string hasSuffix:@"X"] || [string hasSuffix:@"x"])))
{
return YES;
}
else
{
return NO;
}
//    return [string isMatchedByRegex:@"^((1[1-5])|(2[1-3])|(3[1-7])|(4[1-6])|(5[0-4])|(6[1-5])|71|(8[12])|91)\\d{4}((19\\d{2}(0[13-9]|1[012])(0[1-9]|[12]\\d|30))|(19\\d{2}(0[13578]|1[02])31)|(19\\d{2}02(0[1-9]|1\\d|2[0-8]))|(19([13579][26]|[2468][048]|0[48])0229))\\d{3}(\\d|X|x)?$"];
}

/*
*  判断String中是否都是数字
*/
-(BOOL)isNumberStr:(NSString*)string
{
NSString *number =@"0123456789";
NSCharacterSet * cs =[[NSCharacterSet characterSetWithCharactersInString:number]invertedSet];
NSString * comparStr = [[string componentsSeparatedByCharactersInSet:cs]componentsJoinedByString:@""];
return [string isEqualToString:comparStr];
}

@end