find all the words that are digits concatenated with wez
10wez 555em 67kyl 65wez 88.wez 4950awez 094kyl
45kyl 38em
kylwez100 1wez 099104882090990139wez wezwez 0wez
10000000000000000000000000000000000000000000000000000000000kyl
        34wezle
99em kyl02wez 88wez

find all the words that are digits concatenated with wez
10wez 555em 67kyl 65wez 88.wez 4950awez 094kyl
45kyl 38em
kylwez100 1wez 099104882090990139wez wezwez 0wez
10000000000000000000000000000000000000000000000000000000000kyl
        34wezle
99em kyl02wez 88wez
*34wez
1wez

wesley solution [kyles help]	(?<![^ \n])([0-9]+wez)(?![^ \n])
KE solution 						(?<=[ \n])[0-9]+wez(?=[ \n])