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Re: How do I remove leading zeros?

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From:
Xin Cheng
Date:
June 13, 2018 19:09
Subject:
Re: How do I remove leading zeros?
Message ID:
41EC7480-F9C2-4F38-B982-1393F53D155D@gmail.com
Now we know the meaning of >> and <<. But what about <( and )> ? What do they mean here?

Thanks.
Xin

> On Jun 13, 2018, at 2:18 PM, Brad Gilbert <b2gills@gmail.com> wrote:
> 
> On Wed, Jun 13, 2018 at 1:09 PM ToddAndMargo <ToddAndMargo@zoho.com <mailto:ToddAndMargo@zoho.com>> wrote:
>> 
>> On 06/13/2018 11:06 AM, ToddAndMargo wrote:
>>> On 06/13/2018 11:03 AM, ToddAndMargo wrote:
>>>> On 06/13/2018 11:00 AM, Larry Wall wrote:
>> 
>>>    $ p6 'my $x = "01.000.103.006.10"; $x ~~ s:g/«0+)>\d//; say "$x"'
>>>    1.0.103.6.10
>> 
>> Hi Larry,
>> 
>>     How did you get thee "«" character to appear?  And
>> what does it mean?
>> 
> 
> The way I type them is [compose] [<] [<], which is nice because their
> ASCII equivalent is <<
> 
> It means match a word boundary with the word being on the right side.
> 
>> say 'ABC DEF ' ~~ m:g/ << . /
>    (「A」 「D」)
>> say 'ABC DEF ' ~~ m:g/ >> . /
>    (「 」 「 」)


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