Exercise 5:

Regular description for {w{a,b}w1,w2:(w=w1aw2    w2=5)    wbbb>0}\{ w \in \{a,b\}^* \mid \exists w_1,w_2: (w=w_1aw_2\;\wedge\;|w_2|=5)\;\wedge\;|w|_{bbb}>0 \}
Give a regular description for the set of words over {a,b}\{a,b\} such that there is an aa at positions six from the end, and there is at least one occurrence of bbbbbb.
Authors: Guillem Godoy / Documentation:
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