MATLAB：如何根据重复编号对字符串进行除法 [英] MATLAB: How to divide up a string according to a recurring number

问题描述

美好的一天。

以下是我想分开的一个识字的例子：

Here is an example of a piece of literate I want to divide up:

str =      ["1 This is sentence one of verse one, "+ ...
            "2 This is sentence one of verse two. "+ ...
            "3 This is sentence two of verse three; "+ ...
            "1 This is sentence three of verse one? "+ ...
            "2 This is sentence four of verse two, "+ ...
            "3 this is sentence four but verse three!"];

请注意数字是如何重新开始的，这表示新的章节已开始。我如何制作一个nx1字符串，其中n =章节。结果应该是这样的：

Notice how the numbers start over, this indicates a new chapter started. How can I make a nx1 string where n=chapters. This is what the results should look like:

我们非常感谢您的帮助。
谢谢！

Help is appreciated. Thanks!

推荐答案

您只需要一点字符串操作：

You only need a little bit of string manipulation:

>> c=convertStringsToChars(str);
>> splitstring = split(str,c(1));
>> splitstring = splitstring(strlength(splitstring) > 0);
>> formattedstring = string(1:length(splitstring)).' + " " + c(1) + splitstring

formattedstring = 

  2×1 string array

    "1 1 This is sentence one of verse one, 2 This is sentence one of verse two. 3 This is sentence two of verse three; "
    "2 1 This is sentence three of verse one? 2 This is sentence four of verse two, 3 this is sentence four but verse three!"

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