Hi all,
I'm using string Replace(string oldValue, string newValue) and would like it
to replace only full words that matches oldValue and not when oldValue is a
substring of a larger word.
How can it be done?
Thanks,
Avi 8 2287
Avi wrote:
I'm using string Replace(string oldValue, string newValue) and would like it
to replace only full words that matches oldValue and not when oldValue is a
substring of a larger word.
How can it be done?
In a regular expression pattern you can use \b to indicate a word
boundary so that this code
string example = "foo foobar barfoo foo";
string result = Regex.Replace(e xample, @"\bfoo\b", "baz");
Console.WriteLi ne(result);
outputs
baz foobar barfoo baz
--
Martin Honnen --- MVP XML http://JavaScript.FAQTs.com/
Dim myText As String = "once upon a time in a small town"
Dim myNewText As String = String.Empty
Dim oldWord = "small"
Dim newWord = "large"
Dim words() As String = Split(myText, " ")
For Each word In words
myNewText += Replace(word, oldWord, newWord) & " "
Next
Response.Write( myNewText)
"Avi" <re*********@ya hoo.comwrote in message
news:%2******** ********@TK2MSF TNGP03.phx.gbl. ..
Hi all,
I'm using string Replace(string oldValue, string newValue) and would like
it to replace only full words that matches oldValue and not when oldValue
is a substring of a larger word.
How can it be done?
Thanks,
Avi
ThatsIT.net.au wrote:
Dim myText As String = "once upon a time in a small town"
Dim myNewText As String = String.Empty
Dim oldWord = "small"
Dim newWord = "large"
Dim words() As String = Split(myText, " ")
For Each word In words
myNewText += Replace(word, oldWord, newWord) & " "
Next
Response.Write( myNewText)
That doesn't make it any better.
Given this replacement:
Dim oldWord = "all"
Dim newWord = "none"
you would get the string "once upon a time in a smnone town "
Also notice the extra space added at the end...
"Avi" <re*********@ya hoo.comwrote in message
news:%2******** ********@TK2MSF TNGP03.phx.gbl. ..
>Hi all,
I'm using string Replace(string oldValue, string newValue) and would like it to replace only full words that matches oldValue and not when oldValue is a substring of a larger word.
How can it be done?
Thanks, Avi
--
Göran Andersson
_____ http://www.guffa.com
Avi wrote:
Hi all,
I'm using string Replace(string oldValue, string newValue) and would like it
to replace only full words that matches oldValue and not when oldValue is a
substring of a larger word.
How can it be done?
Thanks,
Avi
As Martin suggested, the /b code in a regular expressions is the solution.
Put the word to look for in a regular expression by using the Escape method:
string pattern = "/b" + Regex.Escape(ol dValue) + "/b";
Now you can use that to match the words:
text = Regex.Replace(t ext, pattern, newValue);
--
Göran Andersson
_____ http://www.guffa.com
On Jun 15, 8:11 pm, Göran Andersson <gu...@guffa.co mwrote:
Avi wrote:
Hi all,
I'm using string Replace(string oldValue, string newValue) and would like it
to replace only full words that matches oldValue and not when oldValue is a
substring of a larger word.
How can it be done?
Thanks,
Avi
As Martin suggested, the /b code in a regular expressions is the solution.
Put the word to look for in a regular expression by using the Escape method:
string pattern = "/b" + Regex.Escape(ol dValue) + "/b";
Now you can use that to match the words:
text = Regex.Replace(t ext, pattern, newValue);
--
Göran Andersson
_____http://www.guffa.com
Thanks for the help.
string example = "foo foobar barfoo foo";
string result = Regex.Replace(e xample, @"\bfoo\b", "baz");
Console.WriteLi ne(result);
Works out nicely.
-Cnu
Duggi wrote:
On Jun 15, 8:11 pm, Göran Andersson <gu...@guffa.co mwrote:
>Avi wrote:
>>Hi all, I'm using string Replace(string oldValue, string newValue) and would like it to replace only full words that matches oldValue and not when oldValue is a substring of a larger word. How can it be done? Thanks, Avi
As Martin suggested, the /b code in a regular expressions is the solution.
Put the word to look for in a regular expression by using the Escape method:
string pattern = "/b" + Regex.Escape(ol dValue) + "/b";
Now you can use that to match the words:
text = Regex.Replace(t ext, pattern, newValue);
-- Göran Andersson _____http://www.guffa.com
Thanks for the help.
string example = "foo foobar barfoo foo";
string result = Regex.Replace(e xample, @"\bfoo\b", "baz");
Console.WriteLi ne(result);
Works out nicely.
-Cnu
Yes, that works if you have full control over the input, so that you can
be sure that it doesn't contain any characters that have a special
meaning in a regular expression.
--
Göran Andersson
_____ http://www.guffa.com
Thank you all for your help!
Avi
"Avi" <re*********@ya hoo.comwrote in message
news:%2******** ********@TK2MSF TNGP03.phx.gbl. ..
Hi all,
I'm using string Replace(string oldValue, string newValue) and would like
it to replace only full words that matches oldValue and not when oldValue
is a substring of a larger word.
How can it be done?
Thanks,
Avi
Yes your right, didn't think it though, A regex is the way to go.
"Göran Andersson" <gu***@guffa.co mwrote in message
news:%2******** ********@TK2MSF TNGP04.phx.gbl. ..
ThatsIT.net.au wrote:
> Dim myText As String = "once upon a time in a small town" Dim myNewText As String = String.Empty Dim oldWord = "small" Dim newWord = "large" Dim words() As String = Split(myText, " ")
For Each word In words myNewText += Replace(word, oldWord, newWord) & " " Next
Response.Write( myNewText)
That doesn't make it any better.
Given this replacement:
Dim oldWord = "all"
Dim newWord = "none"
you would get the string "once upon a time in a smnone town "
Also notice the extra space added at the end...
>"Avi" <re*********@ya hoo.comwrote in message news:%2******* *********@TK2MS FTNGP03.phx.gbl ...
>>Hi all,
I'm using string Replace(string oldValue, string newValue) and would like it to replace only full words that matches oldValue and not when oldValue is a substring of a larger word.
How can it be done?
Thanks, Avi
--
Göran Andersson
_____ http://www.guffa.com This thread has been closed and replies have been disabled. Please start a new discussion. Similar topics |
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