import re
rx = re.compile(r"/(?:[^/\s]*/)*\w+")
texts = ["/this/is//an example of what I want /to///do", "/this/is//an example of what i want to /do"]
for text in texts:
print( rx.sub('', text).strip() )
aW1wb3J0IHJlCnJ4ID0gcmUuY29tcGlsZShyIi8oPzpbXi9cc10qLykqXHcrIikKdGV4dHMgPSBbIi90aGlzL2lzLy9hbiBleGFtcGxlIG9mIHdoYXQgSSB3YW50IC90by8vL2RvIiwgIi90aGlzL2lzLy9hbiBleGFtcGxlIG9mIHdoYXQgaSB3YW50IHRvIC9kbyJdCmZvciB0ZXh0IGluIHRleHRzOgoJcHJpbnQoIHJ4LnN1YignJywgdGV4dCkuc3RyaXAoKSApIAo=