import re
rx = r'\b[|:]\b'
s = "transportumum min kalo dari kota|tua | mau ke galeri nasional naik transjakarta jurusan apa ya?"
print(re.sub(rx, ' \g<0> ', s))
aW1wb3J0IHJlCnJ4ID0gcidcYlt8Ol1cYicKcyA9ICJ0cmFuc3BvcnR1bXVtIG1pbiBrYWxvIGRhcmkga290YXx0dWEgfCBtYXUga2UgZ2FsZXJpIG5hc2lvbmFsIG5haWsgdHJhbnNqYWthcnRhIGp1cnVzYW4gYXBhIHlhPyIKcHJpbnQocmUuc3ViKHJ4LCAnIFxnPDA+ICcsIHMpKQo=