use warnings;
use strict;
my $RE = qr! \b ( SA | NV | LTD | CO | LLC ) \b !ix ;
while (<DATA>) {
    s/$RE//g;
    print;
}

__DATA__
Bobs Warehouse SA LTD
Jims Fine Wines CO LLC

[download]

Outputs: 

Bobs Warehouse
Jims Fine Wines

[download]

In reply to Re: regexp - repeatedly delete words expressed in alternation from end of string by toolic
in thread repeatedly delete words expressed in alternation from end of string [regexp] by princepawn

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