How to Join Array of string into single string?

Question

Scenario: I have list of Networks Name in Database Table with numbers e.g (1. Facebook, 2. Twitter, 3. MySpace, 4. hi5 ...) and I select one Network from database (e.g 2. Twitter).

What I Did:

string Selected = "12.FaceBook";
int k=3;
string[] myArray = new string[Selected.Length];
for (int i = 0; i < Selected.Length; i++)
{
    myArray[i] = Selected[k].ToString();
    k++;
}

and sucked how to join myArray and print in

DevComponents.DotNetBar.MessageBoxEx.Show("?");

What I Want:

output as:

"Facebook" or "Twitter" without numbers.

What are you actually after? Your question title asks how to join, but your message is splitting a string into individual characters, and your example seems to want to split on '.' — Sysyphus
– Sysyphus, Commented Jun 11, 2013 at 11:59

Matthew Watson · Accepted Answer · 2013-06-11 12:04:35Z

6

This should do it:

string joined = string.Join("", myArray);
DevComponents.DotNetBar.MessageBoxEx.Show(joined);

If you want to put a separator between the joined strings, that's the first parameter of string.Join(). For example, to put a space between them:

string joined = string.Join(" ", myArray);

However, your code to actually create the string array in the first place looks wrong. Do you get a single string back from the database for the required network, or do you get a single string containing all networks that you have to parse yourself?

edited Jun 11, 2013 at 12:04

answered Jun 11, 2013 at 11:57

Matthew Watson

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6 Comments

Tim Schmelter Over a year ago

"What I want is ouput as "Facebook" or "Twitter" but with out numbers" However, the question is not clear at all.

Saeed Khan Over a year ago

thanks Guys almost all answer are correct but I liked this one most.

dtb Over a year ago

"your code to actually create the string array in the first place looks wrong" +1

Matthew Watson Over a year ago

@SaeedKhan Your question is a bit ambiguous though, so I wasn't sure if I was really answering it...

Saeed Khan Over a year ago

Sorry this gives me "" string

|

dtb · Accepted Answer · 2013-06-11 12:08:33Z

1

If you have a string like "12. Facebook" then you can easily get the part after the . using the IndexOf Method and the Substring Method as follows:

string input = "12. Facebook";

string result = input.Substring(input.IndexOf('.') + 1)
                     .Trim();
// result == "Facebook"

edited Jun 11, 2013 at 12:08

answered Jun 11, 2013 at 12:00

dtb

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Comments

Saeed Khan · Accepted Answer · 2013-06-11 12:01:24Z

0

I have tried and I Succeeded here is Answer for that, only little adding e.g Selected.Length-3 and printing output.

Here is My Code

try
                {
                    int i;
                    string output = "";

                    string Selected = "12.FaceBook";
                    int k = 3;
                    string[] myArray = new string[Selected.Length];
                    for (i = 0; i < Selected.Length-3; i++)
                    {
                        myArray[i] = Selected[k].ToString();

                        output = output + myArray[i];
                        k++;
                    }


                    DevComponents.DotNetBar.MessageBoxEx.Show(output);
                }
                catch (Exception ee)
                {

                }

answered Jun 11, 2013 at 12:01

Saeed Khan

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1 Comment

dtb Over a year ago

This assumes that the input string always starts with a 2-digit number (like 12.) but not with more or less digits (1. or 1000.) Is that the case?

Tim Schmelter · Accepted Answer · 2013-06-11 12:02:05Z

0

Maybe simply

var companiesWithNumber = new[] { "1. Facebook", "2. Twitter", "3. MySpace" };
var companiesWithoutNumber = companiesWithNumber.Select(c => c.Split().Last());

Demo

If you need an array:

string[] result = companiesWithoutNumber.ToArray();

answered Jun 11, 2013 at 12:02

Tim Schmelter

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Comments

wsnzone · Accepted Answer · 2013-06-11 12:11:29Z

0

maybe you need static string.Join?

or

var input="12. Twiiter";
var re=new Regex(@"(?<num>\d+)\.\s*(?<code>.+)");
var m=re.Match(input);
if (m.Success) Console.Write(m.Groups["code"].Value);

sorry,

var input=new []{"12. ...","9. ..."}
var output = input.Select(x=>string.Join(x.Split(".").Skip(1),".").Trim());

edited Jun 11, 2013 at 12:11

answered Jun 11, 2013 at 11:58

wsnzone

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Comments

mipe34 · Accepted Answer · 2013-06-11 12:14:55Z

0

You can do it using string.Join method to join the strings,"string".Split to split out the number and string.Format to add " apostrophes.

var list = new[] {"1. Facebook", "2. Twitter", "3. MySpace"};

var result = string.Join(" or ",list.Select(s => string.Format("\"{0}\"", s.Split('.')[1].Trim())).ToArray());
DevComponents.DotNetBar.MessageBoxEx.Show(result);

You can try it here.

edited Jun 11, 2013 at 12:14

answered Jun 11, 2013 at 12:02

mipe34

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Comments

kostas ch. · Accepted Answer · 2013-06-11 12:10:55Z

-1

Use regex

string s1 = Regex.Replace(Selected, "[^A-Za-z]", "");

edited Jun 11, 2013 at 12:10

answered Jun 11, 2013 at 12:03

kostas ch.

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