language: PHP (php 5.4.4)
date: 969 days 12 hours ago
link:
visibility: public 
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<?php
 
$books = <<<BOOK
 
    John Wiley & Sons (1995), Paperback, 154 pages
 
    New York, Crowell [1963] viii, 373 p. illus. 20 cm.
 
    New York: Bantam Books, c1990. xx, 444 p. : ill. ; 27 cm.
 
    Garden City, N.Y., Doubleday, 1963. 142 p. illus. 22 cm. [1st ed.]
 
BOOK;
 
preg_match_all('#(.+?)\W*.\d{4}#', $books, $matches);
$publishers = array_map('trim', $matches[1]);
 
print_r($publishers);