直接看代码吧！！！

#pragma mark 判断只能为中文的- (BOOL) zsStringInputOnlyIsChinese:(NSString*)string{ NSString *regex = @"[\u4e00-\u9fa5]+"; NSPredicate *pred = [NSPredicate predicateWithFormat:@"SELF MATCHES %@",regex]; if ([pred evaluateWithObject:string]) { return YES; } return NO;}#pragma mark 判断只能为数字的- (BOOL) zsStringInputOnlyIsNumber:(NSString*)string{ NSString *regex =@"[0-9]*"; NSPredicate *pred = [NSPredicate predicateWithFormat:@"SELF MATCHES %@",regex]; if ([pred evaluateWithObject:string]) { return YES; } return NO;}#pragma mark 判断只能为字母的- (BOOL) zsStringInputOnlyIsLetter:(NSString*)string{ NSString *regex =@"[a-zA-Z]*"; NSPredicate *pred = [NSPredicate predicateWithFormat:@"SELF MATCHES %@",regex]; if ([pred evaluateWithObject:string]) { return YES; } return NO;}#pragma mark 判断只能为字母或数字的- (BOOL) zsStringInputOnlyIsNumber:(NSString*)string{ NSString *regex =@"[a-zA-Z0-9]*"; NSPredicate *pred = [NSPredicate predicateWithFormat:@"SELF MATCHES %@",regex]; if ([pred evaluateWithObject:string]) { return YES; } return NO;}

以上所述是小编给大家介绍的Android 判断是否是是全汉字、全字母、全数字、数字和字母等，希望对大家有所帮助，如果大家有任何疑问请给我留言，小编会及时回复大家的。在此也非常感谢大家对网站的支持！