If the word is guaranteed to be 3 characters or longer you can try:
  /^N.*?[^0][^0]$/

[download]

Embaressingly enough I provided an incorrect answer.

In reply to Re: ^N.*(?!00$) by monarch
in thread ^N.*(?!00$) by ady

Title:
Use:  <p> text here (a paragraph) </p>
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