how to delete multiple branches 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: git delete multiple branch local

// git remove multiple branch
// here pattern refers to few characters of branch name that is common between multiple branches

// delete branch locally
git branch | grep "pattern" | xargs git branch -d

// delete local branch that is unmerged
git branch | grep "pattern" | xargs git branch -D

Example 3: 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.