Extracting a number from a string?

[ORC]

Is there an easy way to extract a number from a string like:
result = ExtractNumber("this is a 4 string");

which should give the result = 4;

Thanks
Ole

[Bob Powell [MVP]]

Split the string and then parse all of the substrings. If the substring
parses without an exception, it's a number.

--
Bob Powell [MVP]
Visual C#, System.Drawing

Find great Windows Forms articles in Windows Forms Tips and Tricks
http://www.bobpowell.net/tipstricks.htm

Answer those GDI+ questions with the GDI+ FAQ
http://www.bobpowell.net/faqmain.htm

All new articles provide code in C# and VB.NET.
Subscribe to the RSS feeds provided and never miss a new article.

"ORC" <or*@sol.dk> wrote in message
news:eM***************@TK2MSFTNGP14.phx.gbl...

Is there an easy way to extract a number from a string like:
result = ExtractNumber("this is a 4 string");

which should give the result = 4;

Thanks
Ole

[Bob Powell [MVP]]

like this..

foreach(string s in originalstring.Split(new char[]{' '}))
{
try
{
int n=int.Parse(s);
MessageBox.Show("Found the number "+n.ToString());
}
catch(Exception)
{
MessageBox.Show(s+" isn't a number!");
}
}

--
Bob Powell [MVP]
Visual C#, System.Drawing

Find great Windows Forms articles in Windows Forms Tips and Tricks
http://www.bobpowell.net/tipstricks.htm

Answer those GDI+ questions with the GDI+ FAQ
http://www.bobpowell.net/faqmain.htm

All new articles provide code in C# and VB.NET.
Subscribe to the RSS feeds provided and never miss a new article.

"ORC" <or*@sol.dk> wrote in message
news:eM***************@TK2MSFTNGP14.phx.gbl...

Is there an easy way to extract a number from a string like:
result = ExtractNumber("this is a 4 string");

which should give the result = 4;

Thanks
Ole

[Ignacio Machin \( .NET/ C# MVP \)]

Hi,

No, for this you should use regular expressions , extract the number(s) and
then use Convert.ToInt()

Cheers,

--
Ignacio Machin,
ignacio.machin AT dot.state.fl.us
Florida Department Of Transportation

"ORC" <or*@sol.dk> wrote in message
news:eM***************@TK2MSFTNGP14.phx.gbl...

Is there an easy way to extract a number from a string like:
result = ExtractNumber("this is a 4 string");

which should give the result = 4;

Thanks
Ole

[Bryan Glennon]

Try using Regular Expressions.

Cheers,
Bryan
--
Composed with Newz Crawler 1.7 http://www.newzcrawler.com/

[James Curran]

I was involved in a discussion about this about a year ago.

Original article:
http://www.dotnetjunkies.com/Tutoria...C0B7A7E36.dcik

My (and others') comments:
http://www.dotnetjunkies.com/Forums/...spx?PostID=897
(Be sure to read the comments....)

--
Truth,
James Curran
[erstwhile VC++ MVP]
Home: www.noveltheory.com Work: www.njtheater.com
Blog: www.honestillusion.com Day Job: www.partsearch.com
"ORC" <or*@sol.dk> wrote in message
news:eM***************@TK2MSFTNGP14.phx.gbl...

Is there an easy way to extract a number from a string like:
result = ExtractNumber("this is a 4 string");

which should give the result = 4;