in reply to Take digits from a string

"..Is it possible to get this using any regex,pls?.."
Yes, something like so: 

my $string = "nPqwe=2456fnraqe=13910feoption";

if ( my @digits = $string =~ m/[0-9]/g ) {
    print @digits; # print 245613910
}

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Please also check perlrequick

If you tell me, I'll forget.
If you show me, I'll remember.
if you involve me, I'll understand.
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In Section Seekers of Perl Wisdom