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Anonymous Monk has asked for the wisdom of the Perl Monks concerning the following question:

Please help in writing the regex. match the url below 
https://www.abc.com/ap/ap/top-news/76/nTk3M/
https://www.abc.com/videos/news/eye-catching/vmxJr
https://www.abc.com/ap/top/45/state-political-news/fgdfgd

[download]
and not match 
https://www.abc.com/ap/ap/top-news/
https://www.abc.com/

[download]
There should be some value after three "/"'s after the domain name and should match

Replies are listed 'Best First'.
Re: match the urls
by tobyink (Canon) on Jan 11, 2013 at 09:38 UTC 
    use 5.010;
use strict;
use warnings;

my @urls = qw<
    https://www.abc.com/ap/ap/top-news/76/nTk3M/
    https://www.abc.com/videos/news/eye-catching/vmxJr
    https://www.abc.com/ap/top/45/state-political-news/fgdfgd
    https://www.abc.com/ap/ap/top-news/
    https://www.abc.com/
>;

for (@urls)
{
    m{
        ^ https://www\.abc\.com/   # correct stem
        (?: .+? / ){3}             # non-greedy string then slash x 3
        .+                         # at least one other character
    }x
    
        ? say("MATCH: $_")
        : say("NOT:   $_")
}

    [download]
    perl -E'sub Monkey::do{say$_,for@_,do{($monkey=[caller(0)]->[3])=~s{::}{ }and$monkey}}"Monkey say"->Monkey::do'
[reply]
[d/l]
Re: match the urls
by Anonymous Monk on Jan 11, 2013 at 09:25 UTC
[reply]
Re: match the urls
by sen (Hermit) on Jan 11, 2013 at 14:35 UTC 
    #!/usr/bin/perl
use strict;
use warnings;
my @array = ('https://www.abc.com/ap/ap/top-news/76/nTk3M/','https://w
+ww.abc.com/videos/news/eye-catching/vmxJr','https://www.abc.com/ap/to
+p/45/state-politic
al-news/fgdfgd', 'https://www.abc.com/ap/ap/top-news/', 'https://www.a
+bc.com/');
my @b = grep {$_ =~ /\w+\:\/\/\w+\.\w+\.\w+\/(\w+\-?\w+?\/){3,}./ } @a
+rray;
print "@b";

    [download]
[reply]
[d/l]

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