Imports System.Text.RegularExpressions
Public Class Form1
'Create a Html Keyword Regex
Dim htmlkeywords As New System.Text.RegularExpressions.Regex("<html>|</html>|<head>|</head>|<meta|<p>|</p>|<div>|</div>") <----add as many terms as you like between the () don't forget the pipe symbol between each term in the Regex.
'Then in your Richtextbox textchanged event add this
Private Sub rtText_TextChanged(sender As Object, e As EventArgs) Handles rtText.TextChanged
Dim selStart As Integer = rtText.SelectionStart
Do Until False
For Each keyWordMatch As Match In htmlkeywords.Matches(rtText.Text)
rtText.Select(keyWordMatch.Index, keyWordMatch.Length)
rtText.SelectionColor = Color.Purple
rtText.SelectionStart = rtText.Text.Length 'this puts the caret at the end
rtText.SelectionLength = 0 ' of the word
Next keyWordMatch
Exit Do
Loop
rtText.SelectionColor = Color.Black
rtText.SelectionStart = selStart ' this makes sure that if your caret is behind a word and you press enter to move a text down a line; the caret will stay in position on the next line that you start typing on. You can remove this code to see what I'm talking about
End Sub
rtText
- мое имя RichTextBox. Это изменит слово, которое вы хотите, на любой цвет, затем измените его обратно на черный, который вы можете изменить, какие цвета и что делать. Надеюсь, это поможет!