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@d = “CCATGNNNTAACCNNATGNNTAGCC”;
my $string ="@d";
#!/usr/bin/perl -w my $string = "CCATGNNNTAACCNNATGNNTAGCC"; while($string =~ /[AG]TG.*?[AG][AG]/g) { print "matched at ", pos($string) - length($&), ": ", $&, "\n"; }