#!/usr/bin/perl -l

# http://perlmonks.org/?node_id=1177054

use strict;
use warnings;

my $date;

($date) = /\b(2\d{7})\b/ and print $date while <DATA>;

__DATA__
apachelog_LT100.7.7.7_21.SRV.apache.20161130-123456.258976.log
APACHE_PP1.20161130-12:39:55-30822.Release.LT100.7.7.7.PP1.log
APACHE_PS_PP1.20161130-15:29:37-5319.ebf_run.LT100.7.7.7.log

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In reply to Re: Extracting datapart (YYYYMMDD) with filename regular expression by tybalt89
in thread Extracting datapart (YYYYMMDD) with filename regular expression by rahulme81

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