Split string value in C#

Question

I have a string value which I need to get the middle bit out of, e.g. "Cancel Payer" / "New Paperless".

These are examples of the string format:

"REF_SPHCPHJ0000057_Cancel Payer_20100105174151.pdf"
"REF_SPHCPHJ0000056_New Paperless_20100105174151.pdf"

Seems to me that it is the 3rd element ([2]) of the split operation? What problem are you having with calling .Split('_')[2] ? — Noon Silk
– Noon Silk, Commented Jan 8, 2010 at 13:59

Peter Mortensen · Accepted Answer · 2019-11-11 15:13:02Z

16

Use:

string s = "REF_SPHCPHJ0000057_Cancel Payer_20100105174151.pdf";
string middleBit = s.Split('_')[2];
Console.WriteLine(middleBit);

The output is

Cancel Payer

edited Nov 11, 2019 at 15:13

Peter Mortensen

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answered Jan 8, 2010 at 14:01

jason

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1 Comment

Igor Jerosimić Over a year ago

Jason's solution will not work correctly in case there is an underscore in the "middle bit". It will return only the part before underscore.

Peter Mortensen · Accepted Answer · 2019-11-11 15:13:24Z

5

This is a place for regular expressions:

Regex re = new Regex(@".*_(?<middle>\w+ \w+)_.*?");
string name = "REF_SPHCPHJ0000057_Cancel Payer_20100105174151.pdf";
string middle = re.Match(name).Groups["middle"].Value;

edited Nov 11, 2019 at 15:13

Peter Mortensen

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answered Jan 8, 2010 at 14:00

Rubens Farias

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1 Comment

George Johnston Over a year ago

That seems like a bit of overkill to simply split a string.

Peter Mortensen · Accepted Answer · 2019-11-11 15:14:15Z

0

I think that the regular expression

Regex re = new Regex(@"\w+_\w+_(?<searched>.*)_\d*.pdf");

will meet your needs, if the PDF files always come to you as:

REF_<text>_<your text here>_<some date + id maybe>.pdf

edited Nov 11, 2019 at 15:14

Peter Mortensen

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answered Jan 8, 2010 at 14:19

Danail

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