Counting Word Occurences In A String?
Nov 9, 2010
I am attempting to write a very basic console application which simply counts the number of times a word appears in a sentence. This sentence is input by the user, as is the word to look for.(I also need this search to ignore the full stop and case, but I'll try and do that myself)For example:
Sentence: "This is the last time that I'll say this."
Look for word: "this"
Expected output "2" (as "this" appears twice in the sentence)
I have written some basic code below, however, the output is a boolean value rather than a count of all the times the word has been used.I have a very limited knowledge of VB, so the solution is probably going to be long winded and simplisitic. I am a mature student at university, hence the reason I am writing these odd looking applications.
Module Module1
Sub Main()
Dim userSentenceInput As String[code]......
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Aug 31, 2010
I would like to count the frequency of words (excluding some keywords) in a string and sort them DESC. So, how can i do it?
In the following string... This is stackoverflow. I repeat stackoverflow.Where the excluding keywords are
ExKeywords() ={"i","is"}
the output should be like
stackoverflow
repeat
this
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Mar 4, 2011
VS 2008 08/10 counting vowels in each word,longest/shortest word?
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Jun 5, 2011
i need to count the no of instances of a word in a string using vb.net i can do the usual way as my problem is a little different for eg i need to count the no of occurrences of -> in tree_ptr->sub.another->valu=3;
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Oct 26, 2009
I am making a notepad and I need a code for counting Words I am writing?
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May 9, 2012
with mine..:
Private Sub btncount_Click(sender As System.Object, e As System.EventArgs) Handles CountNowToolStripMenuItem.Click
Dim J As Integer, last As Integer = txtentry.TextLength - 1
[code].....
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Mar 6, 2009
I'm trying to write a function to find a word in a string in the this format : "ThisissometextthatIneedtofindandthisisthetext. This is another text."It's read as " This is some text that I need to find and this is the text. This is another text." but there is no space between each word. I want to get the word "text" or any word in that string. Can you help me with this function with a code sample ?
And I think that this method can be implemented with a string of Unicode also because in a sentence of Unicode it contains one or few, sometimes zero spaces between each word.
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Feb 4, 2011
Ok, so I have a string called item. It's value is "Coffe`". When I try to get the number of caractors by using:
textcount = item.length
However it returns with the value "5". even though there is 6 caracters.
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Feb 20, 2011
I'm an inexperienced programmer,I want to count the number of line's in a string.In "hulp" are several line's, all ending with "vbCrlf".I have tryed If hulp.Substring(i, 1) = vbCrLf Then .... but that doesn't seem to work.
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Oct 29, 2009
How can I count the length of a string and also how many special characters are in the strings.
For instance if I have this string: $how*
How can I count that string is 5 chars long and that there are 2 special characters in the string. (special characters are the $ and
I think that I am going to have to use the .length method to count the length of the string.
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Feb 18, 2012
I am trying to count the number of times a specific character is in a string. The problem is when I run the program the letter doesn't advance from "d" in the string "debugging" and doesn't display the number of time the character "g" is found.
Private Sub Button2_Click(sender As System.Object, e As System.EventArgs) Handles Button2.Click
Dim letterCount As Integer
[code].....
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Mar 14, 2011
i have this as my code goal is tocreate a application that displays counts of occurences of each digit in a number entered by a user , is their another way without doing it with the case statement?
For x = 0 To userInput.length - 1
Select Case userInput(x)
Case "0"
[code].....
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Jan 19, 2010
After executing a query with LINQ to SQL, the result I have is an arraylist (.ToList) of items with ID numbers. The number of items and their occurences will vary with each query. would simply like to count the occurences of each specific ID in the list. How do I do that?? The only count function I know of (.count() ) is for a count on the entire list. I've also I've been reading on how to loop through the list items but I don't understand how I can do that if I don't know how many specific ID's there will be from each query
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Apr 1, 2010
I was wondering if there is a vb.net xml function that counts the number of occurences of a particular node. I would like to count how many </row> nodes i have in an xml file. i have done this by reading the file into a string array and adding 1 to a counter everytime a </row> element is on the line, but this seems very low tech and i was wondering if there was a vb method for counting this instead?
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Jul 20, 2009
I am trying to create a function that searches each line of a richtextbox and returns that row if one of many search phrases are found.The app works wonderfully when used with longer words or muli word phrases as the search criteria.The problem I have is if the search word/ criteria contains a small string such as bae or sp then I get alot of false positives. Anytime bae or sp is found within any word it returns the results.I need the function to stop looking within the words for results and instead look at the word as a whole for a match.Below you can see that I am taking each line of text in the richtextbox, removing most non-alpha numberic characters and replacing them with spaces.Then I have it remove any double spaces with single spaces.For the search term list I have it take the text before the delimiter;and do the same.Trouble I am having is,if the search term is SP and the search phrase is "This is a space shuttle lauch"it will return the sentence since the sentence contains the word "space" which starts with sp.[code]
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Feb 28, 2010
Problem: Your task is to take input from the user in string and give the following options to the user in a menu.
1- Find a String
2- Create sub-string
3- Erase a portion of a sting
4- Replace a word in the string
5- Count number of words and characters in the string without spaces.
6- Capitalize first character of each new sentence and convert the rest
of the characters to lower case.
7- Sort all the words in alphabetical order. (Use Bubble sort algorithm to perform sorting).
To perform all the above mentioned tasks you can only use pointers. Create a function to perform every task.
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Mar 29, 2010
For example:
(1).SomeFunction().Equals("one")
(2).SomeFunction().Equals("two")
I really only need it for digits 1-9 in the case I'm working with, should I just use a switch/select case?
Update I won't need localization in this case either.
Update 2 Here's what I ended up using:
CODE:
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Oct 21, 2010
i need to get a set of values after certain 14 length of a string and before the last 5 stringss.
Theboyisgoingt9123holdi: so i need to get the value 9123.iamfullofmeats89holdi: i need to extract value 89. so the algorithm here is, i am trying to extract the values that comes after the 14th length of the string and just before the last 5 characters of the same string. its always whats between 14th and last 5 characters.
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Mar 26, 2012
I want to make a program like this example I make a assuming in here A is "00" B is "01" and etc and I put a text in my textbox example : "0001" and it will check every 2 word 00 become "A" 01 become "B" how to do that ?
I already try using a substring but I'm to confused how to set it can read every 2 word
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Apr 1, 2009
I've got this problem where I'm supposed to be determining whether a string is a word or not. not exactly.Its supposed to just make sure each string has at least 1 vowel, and each vowel is surrounded by consonants. If it meets those requirements it'll be accepted, if not it'll be rejected, but I've already got that part figured out. I think I know a horrible way to do it, that would take a very long time, but I'm thinking there has to be a much easier way..
[Code]...
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Aug 18, 2011
I am receiving data from other computer over tcp/ip and the received type is below...
"Info,Reply:Timestamp 75ff, SpecificID c07c343aInfo,Reply:Timestamp 76ff, SpecificID
c07c3089"
In the above string, i want to get only BOLD string value.
Sometime the data would be "Info,Reply:Timestamp 75ff, SpecificID c07c343a" and
sometimes it would be many repeated value like
"Info,Reply:Timestamp 75ff, SpecificID c07c343aInfo,Reply:Timestamp 76ff, SpecificID
c07c3089Info,Reply:Timestamp 75ff, SpecificID c07c345aInfo,Reply:Timestamp 76ff, SpecificID
c07c3088..."
Some people say I will be able to get them through regex.
But I don't know how to make regular expression for getting this value.
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Apr 11, 2010
i am trying to learn. started to pgm myself. i first put find a word from given string. i tried like below
Sub find_word(ByVal str As String)
Dim find As String
Dim new_str() As Char = ""
[Code].....
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Jul 15, 2009
I am working on highlighting a word when entered in a textbox.
Example:
string = "hi this is <b>testing</b>"
When i enter the word "testing" in textbox and click on search then it is highlighting the word "testing". but when i enter "is testing" in textbox and click on search then it is not highlighting the word "is testing". this is due to there is bold tag for "testing".
How can we highlight the word which is in bold tag...
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Nov 27, 2009
I have a string which contains words with parentheses. I need to remove the whole word from the string.
For example: for the input, "car wheels_(four) klaxon" the result should be, "car klaxon".
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Apr 18, 2011
I'm currently trying to match a word in a string - to a word in an 1 dimensional arrray.
So it does this.
1.Goes into array, gets first word.
2.Looks for that word in the string.
3.If can't find it, go to next word in array.
4.And so forth until it finds it or runs out of words in array.
Problem is the string can be upto 2000 characters long. And the Array with the possible matches can have upto 8000 entries.
So when it runs, if the word begins with 'A' it finds it dead quick as the 'A's are at the top of the array, ordered alphabetically. This is great.
But if the word starts with 'Z' then it takes 4-5 seconds before finding it.
I'm basically using InStr to find the word in the string.
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Apr 9, 2012
[code]...
Is there any trick that could give me the first word of the str [code]...
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Dec 22, 2010
i need to replace the whole word from a string.
for example. String= "Hi VBFriends, I am learning VB 2010."
i need to replace only VB as C#.
if i put String.Replace, its changing as "Hi C#Friends,I am learning C# 2010."
i used regex, Word boundary but not worked, below my code.
Dim sHTMLStream As String = "Hi VBFriends, I am learning VB 2010."
Dim oColl As MatchCollection = Regex.Matches("sHTMLStream", "\bvb", RegexOptions.IgnoreCase)
For Each sTemp As Match In oColl
MessageBox.Show(sTemp.Value)
Next
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Dec 5, 2009
im trying to search for a word in a string, when i find that word i want to enter into my if statement based upon dim position = 1
im aware that postion is 0 by default and -1 when the word is not there and 1 when its there.
'find covers and back drop
Sub findfiles()
Dim file_names As ReadOnlyCollection(Of String)
[Code].....
i get alist of directories and store them in an array. I step through the array (i) while search the string for the correct word.
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Jan 7, 2010
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.
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Apr 2, 2009
any other approach on finding next word in a string. What im trying solve is this.
Lets say this is the whole paragraph.
Hello visual basic
Hello visual basic
Hello visual basic
Hello visual basic
Hello visual basic
Hello visual basic
now i search for the word basic.if i press the button find. the first "basic must highlighted, and then if i press again the button the next "basic" is the highlighted one and so on.I already finsih that scenario. What i've done is that first im going to search all the positions of the word and then store it in a array. Then after the array populated with different location of the word that is searching. that is the time i call all the indexes of the array one by one. But i don't want my approach because imagine i have 10000 words. and i search for a word or letter. Lets say the result is 5000 match. so it needs my array to be size in 5000. what a mess in memory.
I don't want to used the FinsString or Find function of VB i want some algorithm to do this. Anyone have a easy approach..
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