Restricting Entry In Text Box

Hello everybody
How can I restrict entry in textbox to accept only English letters not Arabic letters not numbers?
And a nother textbox that only accepts Arabic letters not English letters not numbers?
And a nother textbox that only accepts just numbers?
Thanks advanced

Thanks for this good attachment.
I forgot to say text boxes on a userform ...

I want to restrict input .. when typing for example numbers in a textbox which is restriected to English letters, then users can not input numbers nor Arabic letters just English letters

I have no Arabic fonts installed so can not test.
UDF

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We have IsNumeric built-in function.
Use like

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Replace IsAlphabet with IsNumeric for Numbers, IsArabic for Arabic character.

Great Mr. jindon
You have solved most of the problem.. Thank you very much
Just Arabic doesn't work
When applying Arabic part ,the textbox doesn't accept any entry

I wonder if the Right$ function should be replaced with Left$ function for Arabic?

Logically the code should detect Arabic character....

Can you also change the pattern to

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Perfect solution. It works very well now with Arabic
Thank you very much Mr. jindon for your help

If that takes care of your original question, please select Thread Tools from the menu link above and mark this thread as SOLVED. Thanks.

After applying the last change everything is ok if I started Arabic letters but After typing some Arabic letters I could type English letters and numbers
This problem for txtArabic only

It doesn't work .. the same problem
I tried this :: but failed

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Everything is ok .. I tried and no numbers can be input nor English letters .. But I can't take spaces between words
The problem now with spaces

Then try change Change event code to and you can delete IsArabic Function.

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Great fantastic ... But now I have a problem with spaces .. If I want to type two or more words in any textboxes of the three I can't take spaces

Then change Pattern to

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Great great Mr. jindon the last change was wonderful
It prevents any input except Arabic .. That's awesome

What about txtEnglish and txtNumers.. How can I take spaces especially for txtEnglish ...?

Change to
IsAlphabet;

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IsNumeric; if you need.

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Great great great .. Now txtArabic and txtEnglish are perfect
Just numbers have to be adjusted again

If you also want space to be entered then
Change TextBox1 to actual control name

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