C# extracting value from string

Question

I'm trying to extract a value from a string. The string looks like this:

<iframe src="/test.php?aed=asd" width="0" height="0" scrolling="no" frameborder="0"></iframe>

The only thing that changes in the link is the value after aed. What would be the easiest way to extract it?

Thanks

porges · Accepted Answer · 2011-01-28 03:56:24Z

7

To do this properly you should be using an HTML parsing library, but for a simple extraction, you can use something like:

Regex.Match(s, @"(?<=/test\.php\?aed=)[^""&]+").Value

Means: after seeing the string "/test.php?aed=", match everything up to the next quote or ampersand.

answered Jan 28, 2011 at 3:56

porges

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4 Comments

That's awesome, works great. Thanks. I'll accept as soon as it's avaible.

[^""&] --- one double quote here is useless.

no it is not, that's is correct representation for double quote inside string literal

@K Ivanov: oh, yes, I need glasses.