Split a string by a newline in C#

Question

I have a string like this :

SITE IÇINDE OLMASI\nLÜKS INSAA EDILMIS OLMASI\nSITE IÇINDE YÜZME HAVUZU, VB. SOSYAL YASAM ALANLARININ OLMASI.\nPROJESİNE UYGUN YAPILMIŞ OLMASI

I'm trying to split and save this string like this :

array2 = mystring.Split(new string[] { Environment.NewLine }, StringSplitOptions.RemoveEmptyEntries);

foreach (var str in sarray2)
{
    if (str != null && str != "")
    {
        _is.RelatedLook.InternalPositive += str;
    }
}

I also tried

Split(new string[] { "\r\n", "\n" }, StringSplitOptions.None);

This obviously doesn't split my string. How can I split my string in a correct way? Thanks

Is the \n in the input an actual new line or the text "\n"? — DavidG
– DavidG, Commented Aug 18, 2016 at 10:54
If you have a newline, s.Split('\n') will work. See ideone.com/Lzj1uU. Also, you may check if a string is null or empty with string.IsNullOrEmpty(). However, in your case, I'd even use string.IsNullOrWhiteSpace() — Wiktor Stribiżew
– Wiktor Stribiżew, Commented Aug 18, 2016 at 10:55
That last line of code in your question will work fine. (though you need to assign the results to an array) — DavidG
– DavidG, Commented Aug 18, 2016 at 10:57
@Developer: Regex does not seem necessary. What you suggest can be achieved with str.Split(new[] {"\\n"}, StringSplitOptions.RemoveEmptyEntries). — Wiktor Stribiżew
– Wiktor Stribiżew, Commented Aug 18, 2016 at 11:10

A.B. · Accepted Answer · 2016-08-18 11:42:13Z

16

var result = mystring.Split(new string[] {"\\n"}, StringSplitOptions.None);

Since the new line is glued to the words in your case, you have to use an additional back-slash.

answered Aug 18, 2016 at 11:42

A.B.

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3 Comments

DavidG Over a year ago

How does this make any difference?

Mike Sackton Over a year ago

This is splitting on the string literal "\n" rather than on an actual newline. But that may be what the original poster needs to do.

cwhsu Over a year ago

do check if your composing email content or just log message, for email, you simply need to use <br> tag |o|

Kixoka · Accepted Answer · 2016-08-18 11:52:03Z

3

In linqpad I was able to get it split

var ug = "SITE IÇINDE OLMASI\nLÜKS INSAA EDILMIS OLMASI\nSITE IÇINDE YÜZME HAVUZU, VB. SOSYAL YASAM ALANLARININ OLMASI.\nPROJESİNE UYGUN YAPILMIŞ OLMASI";
var test = ug.Split('\n');
test.Dump();

answered Aug 18, 2016 at 11:52

Kixoka

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Comments

TimP268 · Accepted Answer · 2020-01-24 10:41:00Z

3

Convert the Literal character sequence for a new line to a string, and split by that - i.e.

string clipboardText = Clipboard.GetText();
        string[] seperatingTags = { Environment.NewLine.ToString() };
        List<string> Lines = clipboardText.Split(seperatingTags, StringSplitOptions.RemoveEmptyEntries).ToList();

answered Jan 24, 2020 at 10:41

TimP268

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Comments

Gravity API · Accepted Answer · 2020-09-10 09:02:12Z

3

Split by a new line is very tricky since it is not consistent and you can have multiple lines or different combinations of splitting characters. I have tried many methods including some in this thread, but finally, I came up with a solution of my own which seems to fix all the cases I came across.

I am using Regex.Split with some cleaning as follows (I have wrapped it in extension method)

public static IEnumerable<string> SplitByLine(this string str)
{
    return Regex
        .Split(str, @"((\r)+)?(\n)+((\r)+)?")
        .Select(i => i.Trim())
        .Where(i => !string.IsNullOrEmpty(i));
}

usage

var lines = "string with\nnew lines\r\n\n\n with all kind of weird com\n\r\r\rbinations".SplitByLine();

edited Sep 10, 2020 at 9:02

answered Sep 9, 2020 at 22:46

Gravity API

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