two1nine
eightwothree
abcone2threexyz
xtwone3four
4nineeightseven2
zoneight234
7pqrstsixtee
Extract the first and last digits, either in digit or word form ("one", "two", "three", etc), to produce the following numeric outputs.
29
83
13
24
42
14
76
Pay attention to cases such threeightwo is understood as three, eight & two hence results to 32
While moving fwd the input array, look backwards for patterns e.g.
e^
ei^
eig^
eigh^
eight^ <-- matched "eight"
eightw^
eightwo^ <-- matched "two"