how to delete multiple branch in git code example

Example 1: grep remove branches

Type in git branch | grep "<pattern>" for a preview of the branches that will be deleted.
Type in git branch | grep "<pattern>" | xargs git branch -D.

Example 2: delete branches in bulk git

Type in git branch | grep "<pattern>" for a preview of the branches that will be deleted.
Type in git branch | grep "<pattern>" | xargs git branch -D.