use strict; use warnings; print "\nEnter the Model 1\n"; my $Model_Name1= ; chomp $Model_Name1; open (DATA, "< C:/Perl_Scripts/InputFile.txt"); my @array_of_data = ; close (DATA); foreach my $line (@array_of_data) { if ( $line =~ m/\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}\.csv$/g ) { print "Match $1"; } }