[Nottingham] Perl Regular Expression Query.

[Michael Erskine]

For your original test strings the results of /@.*?@.*?@.*?@/ are...

Testing '@@@@'...
	'@@@@'
Testing 'one@two@three@four@'...
	'@two@three@four@'
Testing '@a@b@c@d'...
	'@a@b@c@'

Is this what you are expecting?