iphone 注册校验（正则）
//校验用户名+ (BOOL) validateUserName : (NSString *) str{ NSString *patternStr = [NSString stringWithFormat:@"^.{0,4}$|.{21,}|^[^A-Za-z0-9\u4E00-\u9FA5]|[^\\w\u4E00-\u9FA5.-]|([_.-])\1"]; NSRegularExpression *regularexpression = [[NSRegularExpression alloc] initWithPattern:patternStr options:NSRegularExpressionCaseInsensitive error:nil]; NSUInteger numberofMatch = [regularexpression numberOfMatchesInString:str options:NSMatchingReportProgress range:NSMakeRange(0, str.length)]; [regularexpression release]; if(numberofMatch > 0) { return YES; } return NO;}//校验用户密码+ (BOOL) validateUserPasswd : (NSString *) str{ NSRegularExpression *regularexpression = [[NSRegularExpression alloc] initWithPattern:@"^[a-zA-Z0-9]{6,16}$" options:NSRegularExpressionCaseInsensitive error:nil]; NSUInteger numberofMatch = [regularexpression numberOfMatchesInString:str options:NSMatchingReportProgress range:NSMakeRange(0, str.length)]; [regularexpression release]; if(numberofMatch > 0) { NSLog(@"%@ isNumbericString: YES", str); return YES; } NSLog(@"%@ isNumbericString: NO", str); return NO;}//校验用户生日+ (BOOL) validateUserBornDate : (NSString *) str{ NSString *patternStr = @"^((((1[6-9]|[2-9]\\d)\\d{2})-(0?[13578]|1[02])-(0?[1-9]|[12]\\d|3[01]))|(((1[6-9]|[2-9]\\d)\\d{2})-(0?[13456789]|1[012])-(0?[1-9]|[12]\\d|30))|(((1[6-9]|[2-9]\\d)\\d{2})-0?2-(0?[1-9]|1\\d|2[0-8]))|(((1[6-9]|[2-9]\\d)(0[48]|[2468][048]|[13579][26])|((16|[2468][048]|[3579][26])00))-0?2-29-))$"; NSRegularExpression *regularexpression = [[NSRegularExpression alloc] initWithPattern:patternStr options:NSRegularExpressionCaseInsensitive error:nil]; NSUInteger numberofMatch = [regularexpression numberOfMatchesInString:str options:NSMatchingReportProgress range:NSMakeRange(0, str.length)]; [regularexpression release]; if(numberofMatch > 0) { NSLog(@"%@ isNumbericString: YES", str); return YES; } NSLog(@"%@ isNumbericString: NO", str); return NO;}//校验用户手机号码+ (BOOL) validateUserPhone : (NSString *) str{ NSRegularExpression *regularexpression = [[NSRegularExpression alloc] initWithPattern:@"((\\d{11})|^((\\d{7,8})|(\\d{4}|\\d{3})-(\\d{7,8})|(\\d{4}|\\d{3})-(\\d{7,8})-(\\d{4}|\\d{3}|\\d{2}|\\d{1})|(\\d{7,8})-(\\d{4}|\\d{3}|\\d{2}|\\d{1}))$)" options:NSRegularExpressionCaseInsensitive error:nil]; NSUInteger numberofMatch = [regularexpression numberOfMatchesInString:str options:NSMatchingReportProgress range:NSMakeRange(0, str.length)]; [regularexpression release]; if(numberofMatch > 0) { NSLog(@"%@ isNumbericString: YES", str); return YES; } NSLog(@"%@ isNumbericString: NO", str); return NO;}//校验用户邮箱+ (BOOL) validateUserEmail : (NSString *) str{ NSRegularExpression *regularexpression = [[NSRegularExpression alloc] initWithPattern:@"\\w+([-+.]\\w+)*@\\w+([-.]\\w+)*\\.\\w+([-.]\\w+)*" options:NSRegularExpressionCaseInsensitive error:nil]; NSUInteger numberofMatch = [regularexpression numberOfMatchesInString:str options:NSMatchingReportProgress range:NSMakeRange(0, str.length)]; [regularexpression release]; if(numberofMatch > 0) { NSLog(@"%@ isNumbericString: YES", str); return YES; } NSLog(@"%@ isNumbericString: NO", str); return NO;}?