Best way to write checking textbox

Which is the best way ?
If txtInfo(0) = "" Or Len(txtInfo(0)) < 3 Or mbIsDirty Then
If txtInfo(0) = vbNullString Or Len(txtInfo(0)) < 3 Or mbIsDirty Then
isnoend2001Asked:
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Martin LissOlder than dirtCommented:
I would do

If Trim(txtInfo(0)) = "" Or Len(Trim(txtInfo(0))) < 3 Or mbIsDirty Then

Also you might be interested in my article on Using Enums.
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isnoend2001Author Commented:
Thank you
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Martin LissOlder than dirtCommented:
You're welcome and I'm glad I was able to help.

In my profile you'll find links to some other articles I've written (some of them newly updated) that may interest you.
Marty - MVP 2009 to 2014
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isnoend2001Author Commented:
I plan on using your Using Enums. in the link i sent
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isnoend2001Author Commented:
I meant you sent
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