下面的UITextChecker函数不能正常工作

Question

NSString * currentWord;
        currentWord = Text.text;
        UITextChecker* checker = [[UITextChecker alloc] init];
        NSString* preferredLanguage = [[UITextChecker availableLanguages] objectAtIndex:0];
        NSRange range;
 range = [checker rangeOfMisspelledWordInString:currentWord
                                                 range:NSMakeRange(0, [currentWord length])
                                            startingAt:0
                                                  wrap:NO
                                              language:preferredLanguage];
        if (range.location == NSNotFound)
        {
            NSLog(@"Word found");
        }
        else
        {
            NSLog(@"Word not found");
        }

//在这里我使用了UITextChecker函数，即使是错误的单词，上面的函数也会显示正确的单词声明，例如:像abcd，bcde，cdef，CAPs这样的错误单词，请帮助我这背后的原因是什么。有没有其他选择来解决这个问题？

提前感谢

Answer 1

    UITextChecker *Checker = [[UITextChecker alloc] init];

    NSRange range = NSMakeRange(0, inputWord.length);


    NSRange misspelledRange = [Checker rangeOfMisspelledWordInString:[Sentence lowercaseString] range:range startingAt:0 wrap:NO language:@"en_IN"];

    bool isValidWord = misspelledRange.location == NSNotFound;

    //NSLog(@"----%i", misspelledRange.location);
    if (isValidWord)
    {
        isValidWord = [self checkIfWordExistsInSuggestedSpellings:Sentence];
        NSLog(@"++++%d", isValidWord);

    }

    return isValidWord;

}
else
{
     NSLog(@"Invalid word");
    return false;

}