scooter schreef:

> Can someone help me with the regexp that will match exactly two
> quotes(') or no quotes in the string.
> If a single quote exists, then will break out.
>
> eg:
> aabbcc -  Should Match
> aa''bb''c''c - Should Match
> a''b - Should Match
> ab'' - Should Match
>
>
> aa'bbcc - Should not Match
> aa''bb'cc - Should not Match (since there is a single quote)
> 'aabcc - Should not Match

Why use a regex?
You can just test the evenness of the quotescount, see `perldoc -f tr`.

A regex-way:

   m/\A(?:[^']*'[^']*')*[^']*\z/

-- 
Affijn, Ruud

"Gewoon is een tijger."


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