Sina Iravanian

I blog about software development

A Code Snippet for Searching and Highlighting a Token or String in a RichTextBox

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Suppose that you intend to find a string or a token (i.e., whole word, instead of a substring) and change their color in some Windows Forms RichTextBox. The following code snippets will help. The FindStringAndSetColor method looks for instances of an arbitrary string in the contents of the RichTextBox, while the FindTokenAndSetColor method looks for whole words (tokens).

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