How to format a string through String.Format

Question

Numeric

  string a = String.Format("{0:#/#}",12)

output:1/2

But How to Convert it for string Suppose

  String b=String.Format("{0:###-#}","test")

Output : test

Expected Output: tes-t

# is a digit placeholder format. It doesn't denote 'characters'. — Andrew T Finnell
– Andrew T Finnell, Commented Jul 12, 2012 at 18:13

Oded · Accepted Answer · 2012-07-12 18:11:56Z

6

You can't format a string through string.Format for the reason that it is already a string.

If you want to manipulate the string, use the methods defined on the string class.

answered Jul 12, 2012 at 18:11

Oded

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Comments

almi_n · Accepted Answer · 2012-07-12 19:09:12Z

1

I think you can split the string to its characters and then use format

string testString = "test";
string formattedString = string.Format("{0}{1}{2}-{3}", testString.Select(c => c.ToString()).ToArray());

answered Jul 12, 2012 at 19:09

almi_n

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