The Common Bridle Snake is harmless to humans. They have a black and white striping on their backs which is also found in Banded Krait. Those are snakes you do NOT want to get mixed up because the Banded Krait is venomous.
Citation and moe information at https://www.en.siam-info.de/venomous_animals/snakes/dryocalamus.html and
http://www.wildsingapore.com/wildfacts/vertebrates/snakes/fasciatus.htm