$ vmatch -p -l 230 -hxdrop 3 -showdesc '(3,7)' -s abbrev atEST
# args=-p -l 230 -hxdrop 3 -showdesc (3,7) -s abbrev atEST
  231   3719145    131   P   231   3719112     80 -12   2.70e-103   -426    94.81
AA[TA][CT]C[TC]TT[GT][AG]A[TA][GT]GGGAGAA[NG]ATAAAGAGAGTCAC[
GV]ATATGCTTAGACAAGG[AT]TTCACTCATGCATTTTCGATGACCTTTGAGAACAAAG
ATGGTTACGTCGCCTTCACAAGCCATCCTCTTCATGTTGAATTCTCA[NG]CCGCTTTCA
CCGCCGTCATCGACAA[NG]ATCGTTCTCCTCGATTTCCCCGTCGCCGCTGTCAAATCTT
CCGTTGTTGCAACACCATGAATCTTGT

