How to Split item of array?

Question

I have a problem with my array. My array name is word[3] have 3 items.

word[0] = "Listen Repeat"
word[1] = "Tune"
word[2] = "Landing Page"

I want words[0] split new two item and add to exist item in array.

words = Regex.Split(words[0], @"\s{1,}").Where(x => !string.IsNullOrEmpty(x)).ToArray();

So, my array becomes like:

word[0] = "Listen"
word[1] = "Repeat"

But I want my array like:

word[0] = "Listen"
word[1] = "Repeat"
word[2] = "Tune"
word[3] = "Landing Page"

Note: If using add two arrays, this arrays not sort. You can see my next item in array like:

word[0] = "Listen"

to word[1] = "Repeat"

to word[2] = "Tune"

to word[3] = "Langding Page"

If I using AddRange this will like:

from word[0] = "Listen"

to word[1] = "Tune"

to word[2] = "Langding Page"

to word[3] = "Repeat"

This code will delete exist item and create new arrays with two items. I don't know how to add exist array.

I tried with Append but it not success.

Very unclear what you've tried - array does not have Append... There are many questions discussion adding/replacing items in array / merging arrays in all possible ways. Make sure to provide results of your research as links with sample code that did not work (see minimal reproducible example for guidance on code samples). — Alexei Levenkov
– Alexei Levenkov, Commented Jun 18, 2016 at 3:45
@AlexeiLevenkov. Almost in Stackoverflow. You add two arrays. At here: stackoverflow.com/questions/1547252/… But your array not sorted. You can see my next item in array like word[0] = "Listen" to word[1] = "Repeat". If I using AddRange this will like: word[0] = "Listen" to word[1] = "Tune" to word[2] = "Langding Page" to word[3] = "Repeat" — Ave
– Ave, Commented Jun 18, 2016 at 3:51

Hamid Pourjam · Accepted Answer · 2016-06-18 04:36:08Z

2

You can do it via linq and use SelectMany

var word = new string[3];
word[0] = "Listen Repeat";
word[1] = "Tune";
word[2] = "Landing Page";

word = word.SelectMany(x => Regex.Split(x, @"\s{1,}").Where(x => !string.IsNullOrEmpty(x))).ToArray();

If you just want to split a specific item then you can use this function.

public static string[] SplitItem(string[] input, int index)
{
    var l = new List<string>(input.Length);
    l.AddRange(input.Take(index));
    l.AddRange(Regex.Split(input[index], @"\s{1,}").Where(y => !string.IsNullOrEmpty(y)));
    l.AddRange(input.Skip(index + 1).TakeWhile(x => true));
    return l.ToArray();
}


var word = new string[3];
word[0] = "Listen Repeat";
word[1] = "Tune";
word[2] = "Landing Page";

word = SplitItem(word,0);

edited Jun 18, 2016 at 4:36

answered Jun 18, 2016 at 4:00

Hamid Pourjam

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3 Comments

Dmitrii Dovgopolyi Over a year ago

But I want my array like: "Listen" "Repeat" "Tune" "Landing Page"

Ave Over a year ago

@DmitryDovgopoly I tested. It working in my case. I not using word.Dump();.

Ave Over a year ago

Let us continue this discussion in chat.

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