Search for Tagged Pokemons in Pokemon Go

You can search Tagged Pokemons in pokemon go.

to search for a tagged pokemon you first need to add a tag to this pokemon

and search for the tag name with #  before: 

#tag name

this will give you all the pokemons in your list that are in that tag

for example : 

if you put a tag for all your level 50 pokemons 

and want to search this tag and see all pokemon in that tag

search : level 50

you need to put # or write the exact tag full name