Hi
I have a string which is at least 4 characters but can be more which I need
to pad, with zeros, to a full length of 15 after the 3rd charactor.
Eg '1234' to '123000000000004'
How can I do this?
Also how can I truncate this back to 4 or however many charactors (e.g.
123000000000400 = 123400)
Any help will be much appreciated
Thanks
B
10  2597 
"Ben" <Be*@NoSpam.com> schrieb im Newsbeitrag
news:up**************@TK2MSFTNGP12.phx.gbl... Hi
I have a string which is at least 4 characters but can be more which I
need to pad, with zeros, to a full length of 15 after the 3rd charactor.
Eg '1234' to '123000000000004'
How can I do this?
1. split the string into "123" and "4" (check out String.Substring())
2. pad the second string (check out String.PadLeft())
3. concatenate the two string (check out String.Concat())
Also how can I truncate this back to 4 or however many charactors (e.g.
123000000000400 = 123400)
remove the 4th character from your string (check out String.Remove()) while
it equals "0" (while loop with String.Equals()).
If you want to improve your knowledge on algorithms, i suggest the books by
Robert Sedgewick.
Diana,
"Diana Mueller" <diana@nospam> schrieb: 3. concatenate the two string (check out String.Concat())
I suggest to use the '&' operator for string concatenation instead of using
'String.Concat'.
If you want to improve your knowledge on algorithms, i suggest the books
by
Robert Sedgewick.
Full ACK!
--
M S Herfried K. Wagner
M V P <URL:http://dotnet.mvps.org/>
V B <URL:http://dotnet.mvps.org/dotnet/faqs/>
Diana,
"Diana Mueller" <diana@nospam> schrieb: 3. concatenate the two string (check out String.Concat())
I suggest to use the '&' operator for string concatenation instead of using
'String.Concat'.
If you want to improve your knowledge on algorithms, i suggest the books
by
Robert Sedgewick.
Full ACK!
--
M S Herfried K. Wagner
M V P <URL:http://dotnet.mvps.org/>
V B <URL:http://dotnet.mvps.org/dotnet/faqs/>
"Herfried K. Wagner [MVP]" <hi***************@gmx.at> schrieb im Newsbeitrag
news:OS**************@TK2MSFTNGP14.phx.gbl... I suggest to use the '&' operator for string concatenation instead of
using 'String.Concat'.
Why is that preferable?
"Herfried K. Wagner [MVP]" <hi***************@gmx.at> schrieb im Newsbeitrag
news:OS**************@TK2MSFTNGP14.phx.gbl... I suggest to use the '&' operator for string concatenation instead of
using 'String.Concat'.
Why is that preferable?
Diana,
"Diana Mueller" <diana@nospam> schrieb: I suggest to use the '&' operator for string concatenation instead of
using 'String.Concat'.
Why is that preferable?
Readability is better when using '&':
\\\
Dim s As String =
"Hello " & Name & "," & ControlChars.NewLine
///
vs.
\\\
Dim s As String = _
String.Concat("Hello ", Name, ",", ControlChars.NewLine)
///
--
M S Herfried K. Wagner
M V P <URL:http://dotnet.mvps.org/>
V B <URL:http://dotnet.mvps.org/dotnet/faqs/>
Diana,
"Diana Mueller" <diana@nospam> schrieb: I suggest to use the '&' operator for string concatenation instead of
using 'String.Concat'.
Why is that preferable?
Readability is better when using '&':
\\\
Dim s As String =
"Hello " & Name & "," & ControlChars.NewLine
///
vs.
\\\
Dim s As String = _
String.Concat("Hello ", Name, ",", ControlChars.NewLine)
///
--
M S Herfried K. Wagner
M V P <URL:http://dotnet.mvps.org/>
V B <URL:http://dotnet.mvps.org/dotnet/faqs/>
Diana,
In addition to readability as Herfried suggests, the & operator will
concatenate any constants at compile time. String.Concat is strictly a
runtime function.
Const format As String = "Hello" & ControlChars.NewLine & "World"
When dealing with Object variables (parameters really) & Option Strict On
String.Concat is useful:
Option Strict On
Dim i1 As Object = 1
Dim f1 As Object = 1.0F
Dim d1 As Object = 100D
Dim s1 As Object = "help"
Debug.WriteLine(i1 & f1 & d1 & s1)
Debug.WriteLine(String.Concat(i1, f1, d1, s1))
The first statement is a compile error, while the second succeeds, both
should return the same result! As String.Concat is overloaded for both
String & Object!
Hope this helps
Jay
"Diana Mueller" <diana@nospam> wrote in message
news:un**************@TK2MSFTNGP14.phx.gbl... "Herfried K. Wagner [MVP]" <hi***************@gmx.at> schrieb im
Newsbeitrag
news:OS**************@TK2MSFTNGP14.phx.gbl... I suggest to use the '&' operator for string concatenation instead of
using 'String.Concat'.
Why is that preferable?
Diana,
In addition to readability as Herfried suggests, the & operator will
concatenate any constants at compile time. String.Concat is strictly a
runtime function.
Const format As String = "Hello" & ControlChars.NewLine & "World"
When dealing with Object variables (parameters really) & Option Strict On
String.Concat is useful:
Option Strict On
Dim i1 As Object = 1
Dim f1 As Object = 1.0F
Dim d1 As Object = 100D
Dim s1 As Object = "help"
Debug.WriteLine(i1 & f1 & d1 & s1)
Debug.WriteLine(String.Concat(i1, f1, d1, s1))
The first statement is a compile error, while the second succeeds, both
should return the same result! As String.Concat is overloaded for both
String & Object!
Hope this helps
Jay
"Diana Mueller" <diana@nospam> wrote in message
news:un**************@TK2MSFTNGP14.phx.gbl... "Herfried K. Wagner [MVP]" <hi***************@gmx.at> schrieb im
Newsbeitrag
news:OS**************@TK2MSFTNGP14.phx.gbl... I suggest to use the '&' operator for string concatenation instead of
using 'String.Concat'.
Why is that preferable?
Thanks for the posts
Sorry for the delayed response
Thanks
B
"Diana Mueller" <diana@nospam> wrote in message
news:%2****************@TK2MSFTNGP09.phx.gbl...
"Ben" <Be*@NoSpam.com> schrieb im Newsbeitrag
news:up**************@TK2MSFTNGP12.phx.gbl... Hi
I have a string which is at least 4 characters but can be more which I
need to pad, with zeros, to a full length of 15 after the 3rd charactor.
Eg '1234' to '123000000000004'
How can I do this?
1. split the string into "123" and "4" (check out String.Substring())
2. pad the second string (check out String.PadLeft())
3. concatenate the two string (check out String.Concat())
Also how can I truncate this back to 4 or however many charactors (e.g.
123000000000400 = 123400)
remove the 4th character from your string (check out String.Remove())
while
it equals "0" (while loop with String.Equals()).
If you want to improve your knowledge on algorithms, i suggest the books
by
Robert Sedgewick.
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