php - regex find or return the second one -

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i have text this

`state`.`stateid`

and want write regex select second part, stateid , i'm not in regex, can me solve please? it's example want second part of every given strings

as example, if have:

`alabama`.`al` `alaska .`ak` `arizona`.`az` `arkansas`.`ar` `california`.`ca`

use regex capture second text:

/.+`(\w+)/g

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