testfile1_filtering.fa

>Withfwdprimer1
AAAAAAAAAAAATATTGGTTTTTTTTTTTTT
>Withfwdprimer2lowercase
aaaaaaaaaaaaatattgggggggggggggg
>Withfwdprimer_and_revprimer
AAAAAAAAAAAAATATTGGGGGGGGGGGGGGTGATTTTTTGGTAAAAAAAAAAAAAAAA
>Withoutprimer1
AAAAAAAAAAA
>Withoutprimer2
GGGGGGGGGGG
>Withoutprimer3
TTTTTTTTTTT
>emptysequence

>onlyN
NNNNNNNNNNN
>lessthan10bp
AGCTC
>proteinseq
MSFKILLGARRKTGFVAM