Parse string with regex

Question

I have a string I need to parse. The problem is that some parts of the string is not always the same.

a3:S8:[gmpage]S17:Head GM NecrocideS12:test [15158]

The first 18 chars are always the same, so those can i String.Substring() out with ease.

My problem is that the characters S12: not always is S12:, it could easily be S26: - so i can not use a simple String.Replace() on it. I need to replace those 3 characters to : 

How can I do that with regex? Thank you.

Oops, missed the S12 at the end of Necrocide because of the coloring — Mercurybullet
– Mercurybullet, Commented Oct 29, 2009 at 20:59

Chris Van Opstal · Accepted Answer · 2009-10-29 20:56:54Z

3

Try this:

string input = "a3:S8:[gmpage]S17:Head GM NecrocideS12:test [15158]";
string output = Regex.Replace(myString, "NecrocideS\d\d:", "Necrocide:");

answered Oct 29, 2009 at 20:56

Chris Van Opstal

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Nestor · Accepted Answer · 2009-10-29 21:19:15Z

0

How about:

Regex reg = new Regex(@"\A(?<before>a3:S8:\[gmpage\])(?<delete>.{3})(?<after>:Head GM NecrocideS12:test \[15158\])\Z");
string input = @"a3:S8:[gmpage]S26:Head GM NecrocideS12:test [15158]";
string output = reg.Replace(input, "${before}${after}");

This will replace S26 by ""

answered Oct 29, 2009 at 21:19

Nestor

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