Trim Everything Preceding The Last / In A String?
Sep 22, 2009I need to trim everything preceding the last / in a string. for example if the string were "C:FilesNewprogram.exe" all I want is the "program.exe portion.
View 3 RepliesI need to trim everything preceding the last / in a string. for example if the string were "C:FilesNewprogram.exe" all I want is the "program.exe portion.
View 3 RepliesI'm working with this new API that returns some XML. The problem is that the developer has chosen to indent his returned XML and it's driving me nuts. So, I thought I'd just trim it and then use it that way. But it's not working. here is what I'm getting back from the API:
<response>
<result>success</result>
<session_guid>33434343556</session_guid>
</response>
The code, of course, comes back in a StreamReader object called reader. So my plan is to write the UNTABBED XML to a text file. I thought this would work:
dim output as String = reader.ReadToEnd()
dim xml as String
'open the file in a try/catch statment. Won't include that here
....
....
'Now, we're going to remove whitespace using String.Trim() and write it to a file:
xml = output.Trim()
Then I close the file and move on. The problem is that the String.Trim command isn't working! When I open the file, the indentations ARE STILL THERE and it's throwing everything off.
I have this string that shall come in from another file. The string has maximum length of 102 digits. I need to compare the string with numbers in a pair and delete those from that string.
e.g - 6125223659587412563265... till 102
numbers that compare with this string-
first set - 61
new string = 25223659587412563265
second set - 36
new string = 252259587412563265
and so on. the set of numbers shall go to maximum of 51 pairs = 102, which shall give an end result of string = "" How can i achieve this in a loop?
this is not answer, this is editing the question. i dont know why but the edit button just vaniashed so i have to edit question here. No duplicates will ever be in this string. and in the end when compares are done, i want to see what numbers are left in pairs.
How do I trim " out of a string? Because the following doesnt work:
[Code]...
How can I trim MyString to be MyStr?
View 3 Repliesthis is my code -
With ad.Tables(2)
For i As Integer = 0 To .Rows.Count - 1
If .Rows(i)("name") & "" <> "" Then
temp &= .Rows(i)("name") & ", "
[Code]...
What code can I use to trim a word from a string in Visual Basic.NET?
for example, If I had the following string: Dim str As String = "Hello World"
And I want to trim this string so it only displays "Hello"
I have tried a few trim functions but can;t work it out.
I'm working in Microsoft Access attempting to concatanate the results of a query into a single string. The code looks like this:rtn = Trim(rs.Fields(0).Value) Trim$(rs.Fields(1).Value)When I display the string in a list box, I only see the value for Fields(0) I cannot see the value for Fields(1).When I run the code in debug mode, I can see the value of rtn and it contains these non-alphanumeric boxes like this:"Earth4[] Admin[]" (where [] indicates the non-alphanumeric character)What can I do to cleanup the string, remove the [] and then display in my list box?
View 8 RepliesWhen the user clicks any item in the listbox ie lviproducts it passes that item to a textbox. The problem is that I want everything before the $ sign not to appear so only the amount ie 4.50 etc would appear in the textbox. So far I have no idea how to do this, but have the following code which is not working at all.
[Code]...
I have a large text field taken from a databasers.Item("content")How can I limit this to say 100 characters but not cut off the last word. eg "limit this to 100 cha..."
View 5 Replieshow to trim the first character of a string? I found some examples on how to trim the end or how to trim spaces but nothing on trimming a character off the front.
View 3 RepliesI currently have a string
<TEXT default_lang="en" str="Button text"/>
and I wish to remove parts of the string, I want to remove
<TEXT default_lang="en" str="
from the beginning and from the end:
"/>
so I am just left with Button Text in a text box
I have a DGV and a button to open a browser window to an ip address and also a button to open the ip address gateway. I can open the ip address that is displayed in the DGV no problem. What I am stuck on is opening the gateway address. So for example I click a record in DGV then the button and my browser opens to 10.15.2.248 What I need to do is replace 248 with 1 The ips will all end differently though for example 10.20.2.34 , 10.256.34.4 and so on. So as far as I know I will have to trim to the last period and add a 1 How can I do this?
View 4 RepliesIf you assign a string that is longer than the current value of the MaxLenght property, VB6 automatically trims the value to MaxLength characters, whereas VB.NET doesn't. Is there any way to achieve the same in VB.Net.
View 1 RepliesI'm receiving a byte array from a network device by using the TcpClient class and as I have no idea how much data will be being sent I have to just declare a buffer that is X number of bytes long and keep reading into that until I've got all of the data. I then convert this byte array to a string using Text.Encoding.ASCII.GetString but the problem is that this gets any null bytes that were at the end of the buffer after the string and it includes them in the string. This then means when I do String.EndsWith it doesnt work as I would expect it to because there are just loads of 0 bytes at the end of the string.
Once I had realised that was what was happening (which took a long time as these null bytes are completely invisible when you are looking at the data in String form) I thought fine I'll just use Trim on the string but I've found that this doesnt make any difference at all. I thought Trim was supposed to remove any blank space from the start/end of a string, which I assumed would include empty bytes as well.
So is there any alternative I can use that will trim the empty bytes off the end or do I have to do it the 'manual' way and loop through my byte array before converting it to string and remove any null bytes? One thing that has just popped into my head as I'm typing this is to try using the Chr method and pass it 0 and combine that with Trim like so:
I know how to cut off characters at the end of a string using vb script, which uses the LEFT(string, #) syntax, however, how do i do this using vb.net?
and my second question, I have a string being sent into a drop down menu that gets the data pulled from an access database using a data source control. How do I format it so say, it only shows the first 100 characters of that string in the dropdown?
Sometimes when backing up an sql file using phpmyadmin (database stuff), for some reason it forgets to double up a single quote, resulting in an error when loading the sql file back into the database when required. A line in such an sql file looks like this;[code]As shown in the example, phpmyadmin did double up the quote in "you're" as it should, but it forgot to double up the one after "27", resulting in an error.As you can see it's like this (*value*, *'value'*, (and so on) but beforehand I can;
A) Never know how many values are in such a string
B) Can't simply split the values by "," because the value itself can hold a comma aswel.
It would be easy if every value was like this; *'value'* because then I could split by " ', ' " but that's not the case, and I also never know what location the values not enclosed in single quotes are. I also can't simply double up all single quotes in the entire string because then it will also double up the ones that are enclosing the values, resulting in an error during upload again.So yeah, what I need to get done is single out all the values with regex ($1, $2 etc.) and then string.replace single quotes in those values but *only* if said single quote is not preceeded or followed by another single quote, else it would become a tripple quote resulting in an error again.
Im using HtmlAgilityPack/HAP so that I can use Xpath with HTML documents.selecting the preceding-sibling of div class="address" in this url[url].....The sibling that I want is h3 class="listingTitleLine" Here is a screenshot:
View 1 RepliesI'm working on a project which involves communications with a remote device via a modem. Communication is accomplished via HEX commands. However, with my code below, I am not receiving zeros where they are meant to be.For example, a test file contains the following HEX:
010203040506070809
However, I am only receiving this:
123456789
The zeros are critical.
Private Sub receive_data(ByVal sender As System.Object, ByVal e As System.IO.Ports.SerialDataReceivedEventArgs) Handles SerialPort1.DataReceived
Dim buff As String
Dim i As Short
[code]....
I've been developing an export program which generate a csv file.
Column_A, Column_B, Column_C
00014, Sample, test
Now upon this data is viewed in csv the trailing zero from column_A is gone. it becomes 14.I revise the writing of data from Column_A which if the start of it is zero i insert a single quote. Upon viewing it in csv i got a '00014 which single quote is visible. how can i remove this single quote? which i expected to view it 00014 only in csv file.
I have this string that i would like to remove all the ""
Here's the string:
form name="comment_form${form_id}" id="comment_form${form_id}" onsubmit="return false;" method="post" action="/comment_servlet?add_comment=1&comment_type=V"><input type="hidden"
[code].....
Is an implicit declaration basically an explicit declaration without the "Dim" statement preceding it?
View 12 RepliesI need to know the proper way, or maybe I should say, the different ways to call another form from a parent or preceding form. I am currently using ex: formname.showdialog() to call my next form, but I am uncertain if I should be using that in every situation. [code] Whats the difference between these different methods? (ex: .showdialog() , .show() )I tried both of these to open a temporary form to retrieve a persons name from a database, so as the users progresses through my training program they can keep track of their scores.But, I also call other forms as I branch through my program, from the main page, to a secondary page, to a testing page, to a results page and then back to the secondary page
View 5 RepliesI'm a bit confused at why this code does not trim "say" but instead only the first letter "s".
Public Class Form1
Public Declare Function GetAsyncKeyState Lib "user32" (ByVal vkey As Integer) As Integer
Private Sub Timer1_Tick(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Timer1.Tick
[code].....
Say I have an array array<double>^ buffer = gcnew array<double>(100); And I want a function that does something like:
[Code]...
but that don't allocate and/or move &buffer[0] when you want to trim the array.
I want to trim number like 1.1.5 to 1.1 and then 1
in my project there is a subhead 1 and in subhead 1 there is item 1.1 and in item 1.1 there is subitem 1.1.5 and so on.
e.g
1
1.1
1.1.1
1.1.2
[Code]....
now i want if i select 1.1.5 subitem it should select 1.1 item and subhead 1 automatically. to store in database.
At present I am trying to publish a program which I changed an IP address in but it is bringing me back two errors which are as follows:
TRIM IS NOT A MEMBER OF SYSTEM.NET.MAILADDRESS
and
DATABASECREATIONSCRIPTS IS NOT A MEMBER OF RESOURCES
What I cannot understand is why these errors are appearing as this program has been published before (not by myself) and is working correctly.All I have changed is the IP address which the program connects to in several different places. No hardcoding has been changed.
I am trying to use socket to transfer byte to client. I define Byte(1024) because I am not sure how many character is the server sending! I don't know how many index of this array has been occupied!?
View 1 RepliesI'm writing a simple application in vb.net and need to output some information to a log file for diagnostic purposes.In order to ensure that the log file doesn't get too big, I need to trim it to a certain number of lines (say 5000). For performance reasons, the trimming doesn't have to occur each time a log entry is written out nor is it critical that trimming occurs (for example, if the application crashes prematurely).
However I'm not really sure the best way to trim it. Loading the entire log into memory and then re-writing only the last 5000 lines back out would work, but I'm sure there is a cleaner and better way to do this.
the user may open a 4 minute audio what i wnat is just to record first one minute or between two points(like between 1.14 and 1.32) and save in to .wav format
View 4 Replies