Re: A Regular Expression Problem in Perl 5.28

On 3/28/23 16:07, Uri Guttman wrote:
> On 3/28/23 17:01, Martin McCormick wrote:
>> Uri Guttman <[email protected]> writes:
>>> why are you escaping the {}?? those are meta chars that are needed to 
>>> make
>>> that a 5+ range. just delete the backslashes on them and it will work.
>>     First, thank you but read on, please.
>>     I couldn't agree more.  That should do it but when I
>> don't escape them, I get:
>>
>> Nested quantifiers in regex; marked by <-- HERE in m//^\d+{ <-- HERE 
>> 3,}// at ./regex line 10.
>>
> you also quoted the whole regex in '' but included the // which are the 
> normal regex delimiters. remove the outer quotes.
> 
> and use the qr// form for regexes.
> 
> and you don't want the + after the \d as the {5,} is the count. you 
> can't have both types of repeat counts.
> 
> my $re = qr/^\d{5,}/ ;
> 
> that should be all you need.
> 
> read perlretut to learn more regex basics. you have escaping and quoting 
> mistakes in the original.
> 
> uri
> 

I would think /^\d{5,6}/ would be what is needed? He wanted 5 or 6 digits.

--Sam

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