正则表达式－手机号/邮箱的判断/

//邮箱

+ (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];

}

//手机号码验证

+ (BOOL) validateMobile:(NSString *)mobile

{

//手机号以13， 15，18开头，八个 \d 数字字符

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

NSPredicate *phoneTest = [NSPredicate predicateWithFormat:@"SELF MATCHES %@",phoneRegex];

return [phoneTest evaluateWithObject:mobile];

}

#pragma mark -密码是否为密码长度由6-16位之间的数字与字母组成

- (BOOL)isValidateNumberOrLetter:(NSString*)str min:(int) min max:(int) max

{

if(min<0||max<0||min==max) {

returnfalse;

}

if(min>max) {

inttemp =min;

min=max;

max=temp;

}

NSString*strCheck =[NSStringstringWithFormat:@"^[A-Z0-9a-z_]{%d,%d}",min,max];

NSPredicate*strTest = [NSPredicatepredicateWithFormat:@"SELF MATCHES%@",strCheck];

return[strTestevaluateWithObject:str];

}

http://my.oschina.net/u/1245365/blog/376517