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From: Hans-Peter Diettrich <DrDiettrich1@netscape.net>
Newsgroups: comp.compilers
Subject: Re: Regular expression string searching & matching
Date: Tue, 13 Mar 2018 10:53:05 +0100
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Am 11.03.2018 um 21:52 schrieb Ben Hanson:
>> /This/ actually worked for me (one character change):
>>
>> [/][*]([^*]|[*]+[^/])*[*]+[/]
>
> Your modified regex produces the following state machine:
>
> State: 0
>    [/] -> 1
>
> State: 1
>    [*] -> 2
>
> State: 2
>    [^*] -> 2
>    [*] -> 3

I'm just curious about the notation.
What happens if neither pattern matches?
What's the purpose of [^*] in state 2, as opposed to state 1?

DoDi