Nspredicate Judge mobile phone number, mailbox, QQ, duplicate name,

#import <Foundation/Foundation.h>

@interface NSString (Inputcheck)

-(BOOL) validateemail;

-(BOOL) validatemobile;

-(BOOL) validateqq;

-(BOOL) validaterealname;

-(BOOL) validatenickname;

-(BOOL) Validateuserid;

@end

//---------------------------------------------------

#import "Nsstring+inputcheck.h"

@implementation NSString (Inputcheck)

-(BOOL) validateemail

{

nsstring *emailregex = @ "[A-z0-9a-z._%+-][email protected][a-za-z0-9.-]+\\. [A-za-z] {2,4} ";

nspredicate *emailtest = [nspredicate predicatewithformat:@ "self MATCHES%@", Emailregex];

return [Emailtest evaluatewithobject:Self];

}

^[0-9]+$

-(BOOL) validatemobile

{

// cell phone number , eight x \d numeric characters

nsstring *phoneregex = @ "^ ((13[0-9]) | ( 15[^4,\\D]) | (18[0,0-9])) \\d{8}$ ";

nspredicate *phonetest = [nspredicate predicatewithformat:@ "self MATCHES%@", Phoneregex];

return [Phonetest evaluatewithobject:Self];

}

-(BOOL) Validateuserid

{

nsstring *useridregex = @ "^[0-9]+$";

nspredicate *useridpredicate = [nspredicate predicatewithformat:@ "Self MATCHES%@ ", Useridregex];

BOOL B = [Useridpredicate evaluatewithobject:Self];

if (! [ self hasprefix:@ "1"] && B) {

return NO;

}

return B

}

-(BOOL) validateqq

{

nsstring *qqregex = @ "^[0-9]+$";

nspredicate *qqtest = [nspredicate predicatewithformat:@ "self MATCHES%@", Qqregex];

return [qqtest evaluatewithobject:self];

}

-(BOOL) validaterealname

{

nsstring *nicknameregex = @ "^[\u4e00-\u9fa5]{2,8}$";

nspredicate *passwordpredicate = [nspredicate predicatewithformat:@ "Self MATCHES%@" , Nicknameregex];

return [Passwordpredicate evaluatewithobject:Self];

}

-(BOOL) validatenickname

{

nsstring *usernameregex = @ "^[a-za-z0-9\u4e00-\u9fa5]{1,24}+$";

nspredicate *usernamepredicate = [nspredicate predicatewithformat:@ "Self MATCHES%@ ", Usernameregex];

BOOL B = [Usernamepredicate evaluatewithobject:Self];

return B

}

@end