>perl -wMstrict -le
"use Regexp::Common;
 ;;
 my $s = '((113000.00 Nos.) + (250000.00 Nos.) ++ (1) )';
 ;;
 my $extract =
   join ' ',
   grep defined,
   $s =~ m{ ($RE{num}{real}) | ([+])+ }xmsg
   ;
 print qq{'$extract'};
"
'113000.00 + 250000.00 + 1'