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Re^3: Regex Doubt.

by Anonymous Monk
on Oct 16, 2012 at 03:18 UTC ( #999207=note: print w/ replies, xml ) Need Help??

in reply to Re^2: Regex Doubt.
in thread Regex Doubt.

I have no permission to do it with split.

Sure you do

The Regex way (=~ /(,^,+)$/) is giving me an error like the below,

Not possible. If you want help, show your code.

Comment on Re^3: Regex Doubt.
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Re^4: Regex Doubt.
by Anonymous Monk on Oct 16, 2012 at 03:21 UTC
    my $total_names = "Matthew,Thomas,Peter,Randy,George,Federick"; my $last_name = $1 if ($total_names =~ /(,[^,]+)$/ ); print "$last_name;

    Thanks Monk.

      The error says:

      Can't find string terminator '"' anywhere before EOF

      and your code has:

      print "$last_name; # ^

      Nothing to do with the regex.

      Actually, the regex would be better not capturing the comma, and there is no need to quote the variable at all:

      my $total_names = "Matthew,Thomas,Peter,Randy,George,Federick"; $total_names =~ /,([^,]+)$/; print $1 if $1;


      my $total_names = "Matthew,Thomas,Peter,Randy,George,Federick"; my ($last_name) = $total_names =~ /,([^,]+)$/; print $last_name if $last_name;

      Update: If your teacher does allow you to use split, you’ll get the last substring by subscripting with -1:

      my $last_name = ( split /,/, $total_names ) [ -1 ] ;

      (A [ 0 ] subscript gives you the first substring.)

      Hope that helps,

      Athanasius <°(((><contra mundum

      print "$last_name;
            |          \--missing quote
      first quote

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