Exercise ‹3›:

Regular description for {w∈{a,b}∗∣∣w∣aaa=∣w∣bbb=1}\{ w \in \{a,b\}^* \mid |w|_{aaa}=|w|_{bbb}=1 \}
Give a regular description for the set of words over {a,b}\{a,b\} such there is exactly one occurrence of aaaaaa and of bbbbbb.
Authors: Guillem Godoy / Documentation:
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