Split string to array, remove empty spaces

Question

I have a question about splitting string. I want to split string, but when in string see chars "" then don't split and remove empty spaces.

My String:

String tmp = "abc 123 \"Edk k3\" String;";

Result:

1: abc
2: 123
3: Edkk3  // don't split after "" and remove empty spaces
4: String

My code for result, but I don't know how to remove empty spaces in ""

var tmpList = tmp.Split(new[] { '"' }).SelectMany((s, i) =>
                {
                    if (i % 2 == 1) return new[] { s };
                    return s.Split(new[] { ' ', ';' }, StringSplitOptions.RemoveEmptyEntries);
                }).ToList();

Or but this doesn't see "", so it splits everything

string[] tmpList = tmp.Split(new Char[] { ' ', ';', '\"', ',' }, StringSplitOptions.RemoveEmptyEntries);

SergeyS · Accepted Answer · 2012-11-30 13:16:00Z

8

Add .Replace(" ","")

String tmp = @"abc 123 ""Edk k3"" String;";
var tmpList = tmp.Split(new[] { '"' }).SelectMany((s, i) =>
{
    if (i % 2 == 1) return new[] { s.Replace(" ", "") };
    return s.Split(new[] { ' ', ';' }, StringSplitOptions.RemoveEmptyEntries);
}).ToList();

answered Nov 30, 2012 at 13:16

SergeyS

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Comments

Oded · Accepted Answer · 2012-11-30 13:16:36Z

0

string.Split is not suitable for what you want to do, as you can't tell it to ignore what is in the ".

I wouldn't go with Regex either, as this can get complicated and memory intensive (for long strings).

Implement your own parser - using a state machine to track whether you are within a quoted portion.

answered Nov 30, 2012 at 13:16

Oded

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Comments

Guffa · Accepted Answer · 2012-11-30 13:29:39Z

0

You can use a regular expression. Instead of splitting, specify what you want to keep.

Example:

string tmp = "abc 123 \"Edk k3\" String;";

MatchCollection m = Regex.Matches(tmp, @"""(.*?)""|([^ ]+)");

foreach (Match s in m) {
  Console.WriteLine(s.Groups[1].Value.Replace(" ", "") + s.Groups[2].Value);
}

Output:

abc
123
Edkk3
String;

edited Nov 30, 2012 at 13:29

answered Nov 30, 2012 at 13:24

Guffa

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