in reply to matching substrings on each line

C:\test>perl  -anlE"my@l=split'(?<=-)',$F[0];my%r;$r{$_}=1 for split'(
+?<=-)',$F[1];say $_.' '.@l.' '.keys(%r).' '.grep defined, @r{@l}" jun
+k.dat
a_12_3_5- k_3_4_6-a_12_3_5- 1 2 1
q_1_5_7_9- q_1_5_7_9- 1 1 1
a_9_4_5-c_3_4_6- c_3_4_6-r_4_5_7- 2 2 1
b_1_1_3- v_1_5_7- 1 1 0
d_12_4_5-e_4_5_6- g_5_6_7-d_6_8_6- 2 2 0
b_1_1_7-f_3_8_7_8-d_4_1_4- d_4_1_5-b_1_1_7-f_3_8_3 3 3 1
b_1_1_7-f_3_8_7_8-d_4_1_4- e_3_3_1-f_3_8_7-f_21_3_1-b_1_1_7-a_1_1_1- 3
+ 5 1

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Examine what is said, not who speaks -- Silence betokens consent -- Love the truth but pardon error.
"Science is about questioning the status quo. Questioning authority".
In the absence of evidence, opinion is indistinguishable from prejudice.

RIP Neil Armstrong

In Section Seekers of Perl Wisdom