Posted by Leif Gregory on 11/16/05 15:57

Hello Leonard,

Tuesday, November 15, 2005, 8:39:19 PM, you wrote:
> Here are how they look
> W1W
> W1AW
> WA1W
> AD4HZ
> N9URK
> WB6NOA
> 4N1UBG

Let's do it this way... What are the rules for a valid callsign?

i.e.
- If it's only three characters, it must start with a letter.
- All callsigns must have both alpha and numeric components.
- A callsign can not have to identical letters next to each other
- A callsign is always written in uppercase

etc.

If we know what the rules are that constitute a valid callsign, then
we can help you write a regexp.


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