perl .*?和.*

redis01:/root# cat x2.pl my $str="212121a19823a456123"; if ($str =~/.*a(.*)23/){print "1----".$1."\n";}; if ($str =~/.*?a(.*)23/){print "2----".$1."\n";}; redis01:/root# perl x2.pl 1----4561 2----19

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