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是否有一种方法只打印匹配的字符串直至匹配?在Perl模式匹配中,打印匹配的字符串直至匹配
use strict;
use warnings;
my $match_re = qr/\QCopyright (c) \E(\d .*) \Q by Bill Shakespeare.\E/xi;
my $str = 'Copyright (c) 2008,2009-2011 by Wordsworth';
if ($str =~ $match_re) {
print "\ncomplete match\n";
} else {
print "\npartial match: \n";
}
在这个例子中,我想打印partial match: Copyright (c) 2008,2009-2011 by
因为它匹配了这一点。
因此,如果'$ str'是'Copyright(foo)',那么您只需要打印版权('? – ThisSuitIsBlackNot
@ThisSuitIsBlackNot,是的 – rodee
根据版本,'$ {^ PREMATCH }' – stevieb