- while pos_beg and pos_beg < self.length - size_min
- if pos_beg = self.seq.index(regex_start, pos_beg)
- if pos_end = self.seq.index(regex_stop, pos_beg)
- length = (pos_end - pos_beg) + 3
+ while pos_beg = self.seq.index(regex_start, pos_beg)
+ pos_end = pos_beg + 3
+
+ while pos_end = self.seq.index(regex_stop, pos_end)
+ length = (pos_end - pos_beg) + 3