How to replace all instances of a string inside a richTextBox using match whole word?

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Hey guys, what i want to do is search a rtf text inside a richtextbox and replace all instances of a string, only if the string exactly matches the comparison string.
I tried using the RTB.Replace method and I also defined a StringComparison object to help compare the strings when jumping from one another. But if for example I have the text "aa aaaca" and i'm searching for aa to replace with bbb then i'll have something like "bbb bbbaca", instead of just "bbb aaaca"
Any help?

Posted 4-Aug-10 23:10pm

galextudor

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koool.kabeer · Answer 1 · 2010-08-04T23:23:00

Solution 1

try to do that with Regex class.(System.Text.RegularExpression.Regex)..
this is the link..

http://tim.oreilly.com/pub/a/oreilly/windows/news/csharp_0101.html

read how to replace the string in "Replacing Strings" just after the "Simple Matches"

Posted 4-Aug-10 23:23pm

koool.kabeer

Updated 4-Aug-10 23:24pm

v2