#!/usr/bin/perl --
use strict; use warnings;
use Data::Dump qw/ dd /;
my $line7 = q{
CDS             join(2432..2501,5144..5154,57
                     /translation="MLSFVDTRTLLL"
                     exon            2432..2501
};
my $amino_acid_seq;
{
    use re 'debug';
    ($amino_acid_seq ) = $line7 =~ m/^\s+\/translation\=\"(.*?)\"/s;
}
dd( $amino_acid_seq );
{
    use re 'debug';
    ($amino_acid_seq ) = $line7 =~ m/^\s+\/translation\=\"(.*?)\"/ms;
}
dd( $amino_acid_seq );
__END__
Compiling REx "^\s+/translation\=\%"(.*?)\%""
Final program:
   1: SBOL (2)
   2: PLUS (4)
   3:   SPACE (0)
   4: EXACT </translation="> (9)
   9: OPEN1 (11)
  11:   MINMOD (12)
  12:   STAR (14)
  13:     SANY (0)
  14: CLOSE1 (16)
  16: EXACT <"> (18)
  18: END (0)
floating "/translation=%"" at 1..2147483647 (checking floating) anchored(SBOL) minlen 16
Compiling REx "^\s+/translation\=\%"(.*?)\%""
Final program:
   1: MBOL (2)
   2: PLUS (4)
   3:   SPACE (0)
   4: EXACT </translation="> (9)
   9: OPEN1 (11)
  11:   MINMOD (12)
  12:   STAR (14)
  13:     SANY (0)
  14: CLOSE1 (16)
  16: EXACT <"> (18)
  18: END (0)
floating "/translation=%"" at 1..2147483647 (checking floating) anchored(MBOL) minlen 16
Guessing start of match in sv for REx "^\s+/translation\=\%"(.*?)\%"" against "%nCDS             join(2432..2501,5144..5
154,57%n           "...
Found floating substr "/translation=%"" at offset 68...
Guessed: match at offset 0
Matching REx "^\s+/translation\=\%"(.*?)\%"" against "%nCDS             join(2432..2501,5144..5154,57%n           "...
   0 <> <%nCDS     >         |  1:SBOL(2)
   0 <> <%nCDS     >         |  2:PLUS(4)
                                  SPACE can match 1 times out of 2147483647...
                                  failed...
Match failed
undef
Guessing start of match in sv for REx "^\s+/translation\=\%"(.*?)\%"" against "%nCDS             join(2432..2501,5144..5
154,57%n           "...
Found floating substr "/translation=%"" at offset 68...
Position at offset 0 does not contradict /^/m...
Guessed: match at offset 0
Matching REx "^\s+/translation\=\%"(.*?)\%"" against "%nCDS             join(2432..2501,5144..5154,57%n           "...
   0 <> <%nCDS     >         |  1:MBOL(2)
   0 <> <%nCDS     >         |  2:PLUS(4)
                                  SPACE can match 1 times out of 2147483647...
                                  failed...
Guessing start of match in sv for REx "^\s+/translation\=\%"(.*?)\%"" against "CDS             join(2432..2501,5144..515
4,57%n             "...
Found floating substr "/translation=%"" at offset 67...
Position at offset 0 does not contradict /^/m...
Guessed: match at offset 0
   1 <%n> <CDS       >       |  1:MBOL(2)
   1 <%n> <CDS       >       |  2:PLUS(4)
                                  SPACE can match 0 times out of 2147483647...
                                  failed...
Guessing start of match in sv for REx "^\s+/translation\=\%"(.*?)\%"" against "DS             join(2432..2501,5144..5154
,57%n              "...
Found floating substr "/translation=%"" at offset 66...
Found /^/m at offset 45...
Guessed: match at offset 45
  47 <4,57%n> <          >   |  1:MBOL(2)
  47 <4,57%n> <          >   |  2:PLUS(4)
                                  SPACE can match 21 times out of 2147483647...
  68 <     > </translati>    |  4:  EXACT </translation=">(9)
  82 <ion="> <MLSFVDTRTL>    |  9:  OPEN1(11)
  82 <ion="> <MLSFVDTRTL>    | 11:  MINMOD(12)
  82 <ion="> <MLSFVDTRTL>    | 12:  STAR(14)
                                    SANY can match 12 times out of 12...
  94 <RTLLL> <"%n       >    | 14:    CLOSE1(16)
  94 <RTLLL> <"%n       >    | 16:    EXACT <">(18)
  95 <TLLL"> <%n        >    | 18:    END(0)
Match successful!
"MLSFVDTRTLLL"
Freeing REx: "^\s+/translation\=\%"(.*?)\%""
Freeing REx: "^\s+/translation\=\%"(.*?)\%""