use strict;
use warnings;
$_ =<<SQ;
34111 Some Words here 113/186 34419 Another Words here 154/129
84213 Words Words Words 140/109
SQ
@_ = split /\s+(?=[0-9]+\s)/;
$" = $/;
print "@_";
__END__
STDOUT:
34111 Some Words here 113/186
34419 Another Words here 154/129
84213 Words Words Words 140/109
