iOS中邮箱、电话等正则表达验证

////  TextDetection.m//  RE////  Created by YX-KuYu on 16/5/19.//  Copyright © 2016年 YX-KuYu. All rights reserved.//// 验证   邮箱   密码   用户名#import "TextDetection.h"//邮箱的正则表达式#define EMAILREG  @"[A-Z0-9a-z._%+-]+@[A-Za-z0-9.-]+\\.[A-Za-z]{2,4}"//用户名的正则表达式   中英文、数字、下划线，至少2个字符,至多20#define NAMEREG   @"^[\\w\\u4e00-\\u9fa5]{2,20}$"//密码的正则表达式   以字母开头，长度在6~18之间，只包含英文、数字和下划线#define PASSWORDREG @"^[a-zA-Z]\\w{5,17}$"//预注册用户密码正则表达式  以M开头＋身份证后6位数#define PREREGISTERPASSWORDREG @"^[M]\\w{6}$"//手机号的正则表达式#define PHONEREG  @"^1[35678][\\d]{9}$"//邮编的正则表达式#define POSTCODEREG @"^[\\d]{6}$"//图片格式验证#define PICTURESTYLEREG @"/.+(\\.jpg|\\.jpeg|\\.gif|\\ .png)$/i"//验证中文#define CHINESEREG  @"[^\u4e00-\u9fa5]"//字母和数字#define CHARSNUMREG  @"^[0-9a-z]+$/i"//社保卡#define SOCIALCARDSREG  @"^[A-Za-z0-9]{0,30}$/i"//身份证号#define IDCARDREG  @"^(\\d{15}$|^\\d{18}$|^\\d{17}(\\d|X|x))$"@implementation TextDetection/** *  用于验证输入框的内容 * *  @param regText   需要检测的正则表达式 *  @param candidate 需要检测的字符串 * *  @return 返回的是否为真 */+ (BOOL)validate:(NSString *)regText withCandidate:(NSString *)candidate{        NSPredicate *predicateText = [NSPredicate predicateWithFormat:@"SELF MATCHES %@", regText];        return [predicateText evaluateWithObject:candidate];    }//验证邮箱+ (BOOL)validateEmail:(NSString *)candidate{        return [self validate:EMAILREG withCandidate:candidate];    }//验证姓名+ (BOOL)validateName:(NSString *)candidate{        return [self validate:NAMEREG withCandidate:candidate];    }//手机号+ (BOOL)validatePhone:(NSString *)candidate{        return [self validate:PHONEREG withCandidate:candidate];    }//密码+ (BOOL)validatePassword:(NSString *)candidate{        return [self validate:PASSWORDREG withCandidate:candidate];    }//预注册密码+ (BOOL)validatePrePassword:(NSString *)candidate{        return [self validate:PREREGISTERPASSWORDREG withCandidate:candidate];    }//邮编+ (BOOL)validatePostCode:(NSString *)candidate{        return [self validate:POSTCODEREG withCandidate:candidate];    }//图片格式+ (BOOL)validatePictureType:(NSString *)candidate{        return [self validate:PICTURESTYLEREG withCandidate:candidate];    }//中文+ (BOOL)validateChinese:(NSString *)candidate{        return [self validate:CHINESEREG withCandidate:candidate];    }//字母和数字+ (BOOL)validateCharNum:(NSString *)candidate{        return [self validate:CHARSNUMREG withCandidate:candidate];    }//社保卡号+ (BOOL)validateSocialCard:(NSString *)candidate{        return [self validate:SOCIALCARDSREG withCandidate:candidate];    }//身份证号+ (BOOL)validateIDCard:(NSString *)candidate{        return [self validate:IDCARDREG withCandidate:candidate];    }@end