objective-c - 提取包含关键字的句子 Objective c

Question

我有一段文本(报纸文章，如果有任何相关性的话)想知道是否有办法提取 Objective-c 中包含特定关键字的所有句子？我一直在研究 ParseKit，但运气不太好!

Answer 1

您可以使用 native NSString 方法枚举句子，如下所示...

NSString *string = @"your text";

NSMutableArray *sentences = [NSMutableArray array];

[string enumerateSubstringsInRange:NSMakeRange(0, string.length) 
                           options:NSStringEnumerationBySentences 
                        usingBlock:^(NSString *substring, NSRange substringRange, NSRange enclosingRange, BOOL *stop) {
    //check that this sentence has the string you are looking for
    NSRange range = [substring rangeOfString:@"The text you are looking for"];

    if (range.location != NSNotFound) {
        [sentences addObject:substring];
    }
}];

for (NSString *sentence in sentences) {
    NSLog(@"%@", sentence);
}

最后，您将得到一个句子数组，所有句子都包含您要查找的文本。