From: Dan Kelly <d_kelly18@...>
Date: 2008-01-17T19:46:06+09:00
Subject: Re: Greedy and non greedy quantifiers

Andrew Timberlake wrote:
>> or
>>
>> \d*   - This will match any amount of digits
>> \d*?  - This will only match none or one number
>>
>> Please can someone offer some clarification Im still unsure of myself
>> with these expresions as I'm new to ruby,
>> Thanks,
>> Dan
> 
> Dan
> 
> * matches 0 or more of the preceding pattern
> + matches 1 or more of the preceding pattern
> ? matches 0 or 1 of the preceding pattern
> {n,m} matches n to m of the preceding pattern
> 
> I stand to be corrected but I don't believe that *? or +? are valid at 
> all.


yeah that helps thanks, I think I was just making things up..
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