splitting a string by a delimiter and traversing it

[Mad Scientist Jr]

I have been doing this kind of thing in VB and VB.net for a long time,
but am having problems in C#:

First I want to split up a string by the backslash character, but this
line:
arrSplit = strTemp.Split( (@"\") );

results in the error:

The best overloaded method match for 'string.Split(p arams char[])'
has some invalid arguments

So I tried this instead:

arrSplit = strTemp.Split( (@"\").ToCharAr ray() );
which does not error. However a few lines down, there is now a new
error:

for (iLoop = arrSplit.GetLow erBound( 0 ); iLoop <=
arrSplit.GetUpp erBound( 0 ); iLoop++)
{
strTemp = arrSplit[iLoop].ToString.ToUpp er;

The above line gives the error:
Cannot apply indexing with [] to an expression of type 'System.Array'

Can anyone tell me what I'm doing wrong and how to split the string &
loop through the parts?

Thanks

[Michael C#]

arrSplit = strTemp.Split (new char[] { '\' });

"Mad Scientist Jr" <us************ *@yahoo.com> wrote in message
news:11******** *************@g 14g2000cwa.goog legroups.com...

I have been doing this kind of thing in VB and VB.net for a long time,
but am having problems in C#:

First I want to split up a string by the backslash character, but this
line:
arrSplit = strTemp.Split( (@"\") );

results in the error:

The best overloaded method match for 'string.Split(p arams char[])'
has some invalid arguments

So I tried this instead:

arrSplit = strTemp.Split( (@"\").ToCharAr ray() );
which does not error. However a few lines down, there is now a new
error:

for (iLoop = arrSplit.GetLow erBound( 0 ); iLoop <=
arrSplit.GetUpp erBound( 0 ); iLoop++)
{
strTemp = arrSplit[iLoop].ToString.ToUpp er;

The above line gives the error:
Cannot apply indexing with [] to an expression of type 'System.Array'

Can anyone tell me what I'm doing wrong and how to split the string &
loop through the parts?

Thanks

[James Curran]

> arrSplit = strTemp.Split (new char[] { '\' });

You could do that explicitly, or, since this is a "params" paramters,
you can let the compiler build the array for you:

arrSplit = strTemp.Split ( @'\' ); // note: single-quotes, to
indicate a single character, not a string.
--
--
Truth,
James Curran
[erstwhile VC++ MVP]

Home: www.noveltheory.com Work: www.njtheater.com
Blog: www.honestillusion.com Day Job: www.partsearch.com

"Michael C#" <ho***@boutdat. com> wrote in message
news:#M******** ******@TK2MSFTN GP14.phx.gbl...

arrSplit = strTemp.Split (new char[] { '\' });

"Mad Scientist Jr" <us************ *@yahoo.com> wrote in message
news:11******** *************@g 14g2000cwa.goog legroups.com...

I have been doing this kind of thing in VB and VB.net for a long time,
but am having problems in C#:

First I want to split up a string by the backslash character, but this
line:
arrSplit = strTemp.Split( (@"\") );

results in the error:

The best overloaded method match for 'string.Split(p arams char[])'
has some invalid arguments

So I tried this instead:

arrSplit = strTemp.Split( (@"\").ToCharAr ray() );
which does not error. However a few lines down, there is now a new
error:

for (iLoop = arrSplit.GetLow erBound( 0 ); iLoop <=
arrSplit.GetUpp erBound( 0 ); iLoop++)
{
strTemp = arrSplit[iLoop].ToString.ToUpp er;

The above line gives the error:
Cannot apply indexing with [] to an expression of type 'System.Array'

Can anyone tell me what I'm doing wrong and how to split the string &
loop through the parts?

Thanks

[Michael C#]

Good catch. I did a "quickie convert" of some code, since I usually declare
my separator array beforehand - so I don't have to keep re-creating it every
time I call Split. Thanks

"James Curran" <ja*********@mv ps.org> wrote in message
news:%2******** ********@TK2MSF TNGP15.phx.gbl. ..

arrSplit = strTemp.Split (new char[] { '\' });

You could do that explicitly, or, since this is a "params" paramters,
you can let the compiler build the array for you:

arrSplit = strTemp.Split ( @'\' ); // note: single-quotes, to
indicate a single character, not a string.
--
--
Truth,
James Curran
[erstwhile VC++ MVP]

Home: www.noveltheory.com Work: www.njtheater.com
Blog: www.honestillusion.com Day Job: www.partsearch.com

"Michael C#" <ho***@boutdat. com> wrote in message
news:#M******** ******@TK2MSFTN GP14.phx.gbl...

arrSplit = strTemp.Split (new char[] { '\' });

"Mad Scientist Jr" <us************ *@yahoo.com> wrote in message
news:11******** *************@g 14g2000cwa.goog legroups.com...

>I have been doing this kind of thing in VB and VB.net for a long time,
> but am having problems in C#:
>
> First I want to split up a string by the backslash character, but this
> line:
> arrSplit = strTemp.Split( (@"\") );
>
> results in the error:
>
> The best overloaded method match for 'string.Split(p arams char[])'
> has some invalid arguments
>
> So I tried this instead:
>
> arrSplit = strTemp.Split( (@"\").ToCharAr ray() );
>
>
> which does not error. However a few lines down, there is now a new
> error:
>
> for (iLoop = arrSplit.GetLow erBound( 0 ); iLoop <=
> arrSplit.GetUpp erBound( 0 ); iLoop++)
> {
> strTemp = arrSplit[iLoop].ToString.ToUpp er;
>
> The above line gives the error:
> Cannot apply indexing with [] to an expression of type 'System.Array'
>
> Can anyone tell me what I'm doing wrong and how to split the string &
> loop through the parts?
>
> Thanks
>

[James Curran]

Unfortunately, I should have tried that before I posted it..

arrSplit = strTemp.Split ( @'\' );
@ doesn't work with single chars, only with strings. You have to write
it as

arrSplit = strTemp.Split ( '\\' );

--
--
Truth,
James Curran
[erstwhile VC++ MVP]

Home: www.noveltheory.com Work: www.njtheater.com
Blog: www.honestillusion.com Day Job: www.partsearch.com

"James Curran" <ja*********@mv ps.org> wrote in message
news:#3******** ******@TK2MSFTN GP15.phx.gbl... arrSplit = strTemp.Split (new char[] { '\' });

You could do that explicitly, or, since this is a "params" paramters,
you can let the compiler build the array for you:

arrSplit = strTemp.Split ( @'\' ); // note: single-quotes, to
indicate a single character, not a string.
--
--
Truth,
James Curran
[erstwhile VC++ MVP]

Home: www.noveltheory.com Work: www.njtheater.com
Blog: www.honestillusion.com Day Job: www.partsearch.com

"Michael C#" <ho***@boutdat. com> wrote in message
news:#M******** ******@TK2MSFTN GP14.phx.gbl...

arrSplit = strTemp.Split (new char[] { '\' });

"Mad Scientist Jr" <us************ *@yahoo.com> wrote in message
news:11******** *************@g 14g2000cwa.goog legroups.com...

I have been doing this kind of thing in VB and VB.net for a long time,
but am having problems in C#:

First I want to split up a string by the backslash character, but this
line:
arrSplit = strTemp.Split( (@"\") );

results in the error:

The best overloaded method match for 'string.Split(p arams char[])'
has some invalid arguments

So I tried this instead:

arrSplit = strTemp.Split( (@"\").ToCharAr ray() );
which does not error. However a few lines down, there is now a new
error:

for (iLoop = arrSplit.GetLow erBound( 0 ); iLoop <=
arrSplit.GetUpp erBound( 0 ); iLoop++)
{
strTemp = arrSplit[iLoop].ToString.ToUpp er;

The above line gives the error:
Cannot apply indexing with [] to an expression of type 'System.Array'

Can anyone tell me what I'm doing wrong and how to split the string &
loop through the parts?

Thanks

[Yunus Emre ALPÖZEN [MCAD.NET]]

Also be careful using split. There is a problem with split in @ Framework
1.1
string str="a..b";
string[] sArray= str.Split('.');

The returned string array contains three items.

But this problem is fixed in @ Framework 2.0.

Keep this in mind !!!
--

Thanks,
Yunus Emre ALPÖZEN
BSc, MCAD.NET

"James Curran" <ja*********@mv ps.org> wrote in message
news:%2******** ********@TK2MSF TNGP12.phx.gbl. ..

Unfortunately, I should have tried that before I posted it..

arrSplit = strTemp.Split ( @'\' );
@ doesn't work with single chars, only with strings. You have to write
it as

arrSplit = strTemp.Split ( '\\' );

--
--
Truth,
James Curran
[erstwhile VC++ MVP]

Home: www.noveltheory.com Work: www.njtheater.com
Blog: www.honestillusion.com Day Job: www.partsearch.com

"James Curran" <ja*********@mv ps.org> wrote in message
news:#3******** ******@TK2MSFTN GP15.phx.gbl... > arrSplit = strTemp.Split (new char[] { '\' });

You could do that explicitly, or, since this is a "params" paramters,
you can let the compiler build the array for you:

arrSplit = strTemp.Split ( @'\' ); // note: single-quotes, to
indicate a single character, not a string.
--
--
Truth,
James Curran
[erstwhile VC++ MVP]

Home: www.noveltheory.com Work: www.njtheater.com
Blog: www.honestillusion.com Day Job: www.partsearch.com

"Michael C#" <ho***@boutdat. com> wrote in message
news:#M******** ******@TK2MSFTN GP14.phx.gbl...

> arrSplit = strTemp.Split (new char[] { '\' });
>
> "Mad Scientist Jr" <us************ *@yahoo.com> wrote in message
> news:11******** *************@g 14g2000cwa.goog legroups.com...
> >I have been doing this kind of thing in VB and VB.net for a long time,
> > but am having problems in C#:
> >
> > First I want to split up a string by the backslash character, but
> > this
> > line:
> > arrSplit = strTemp.Split( (@"\") );
> >
> > results in the error:
> >
> > The best overloaded method match for 'string.Split(p arams char[])'
> > has some invalid arguments
> >
> > So I tried this instead:
> >
> > arrSplit = strTemp.Split( (@"\").ToCharAr ray() );
> >
> >
> > which does not error. However a few lines down, there is now a new
> > error:
> >
> > for (iLoop = arrSplit.GetLow erBound( 0 ); iLoop <=
> > arrSplit.GetUpp erBound( 0 ); iLoop++)
> > {
> > strTemp = arrSplit[iLoop].ToString.ToUpp er;
> >
> > The above line gives the error:
> > Cannot apply indexing with [] to an expression of type
> > 'System.Array'
> >
> > Can anyone tell me what I'm doing wrong and how to split the string &
> > loop through the parts?
> >
> > Thanks
> >
>
>

[Jon Skeet [C# MVP]]

Yunus Emre ALPÖZEN [MCAD.NET] <ye***@msakadem ik.net> wrote:

Also be careful using split. There is a problem with split in @ Framework
1.1
string str="a..b";
string[] sArray= str.Split('.');

The returned string array contains three items.

But this problem is fixed in @ Framework 2.0.

Keep this in mind !!!

I don't see that as a problem at all. I see it as documented behaviour
which is desirable in most cases. (There are examples of that behaviour
in the documentation.)

I very much hope this behaviour *hasn't* changed in 2.0, otherwise it
could break a lot of code. Fortunately, the documentation at msdn2
suggests that it hasn't unless you specify a StringOptions to request
different behaviour.

--
Jon Skeet - <sk***@pobox.co m>
http://www.pobox.com/~skeet
If replying to the group, please do not mail me too

[gerry]

Can you please provide a reference to this behaviour in the documention ?
thanks

"Jon Skeet [C# MVP]" <sk***@pobox.co m> wrote in message
news:MP******** *************** *@msnews.micros oft.com...
Yunus Emre ALPÖZEN [MCAD.NET] <ye***@msakadem ik.net> wrote:

Also be careful using split. There is a problem with split in @ Framework
1.1
string str="a..b";
string[] sArray= str.Split('.');

The returned string array contains three items.

But this problem is fixed in @ Framework 2.0.

Keep this in mind !!!

I don't see that as a problem at all. I see it as documented behaviour
which is desirable in most cases. (There are examples of that behaviour
in the documentation.)

I very much hope this behaviour *hasn't* changed in 2.0, otherwise it
could break a lot of code. Fortunately, the documentation at msdn2
suggests that it hasn't unless you specify a StringOptions to request
different behaviour.

--
Jon Skeet - <sk***@pobox.co m>
http://www.pobox.com/~skeet
If replying to the group, please do not mail me too