Delete CloudFormation stacks based on prefix or regex

cfn-delete.sh

#!/usr/bin/env bash
set -euo pipefail
export AWS_PAGER=""

REGEX="^prefix-"
WAIT=true

stacks=$(aws cloudformation describe-stacks --query Stacks[].StackName --output=text)
for stack in $stacks; do
    if [[ $stack =~ $REGEX ]]; then
        echo "Deleting stack ${stack}..."
        aws cloudformation delete-stack --stack-name $stack

        if $WAIT; then
            echo "Waiting for stack ${stack} to delete..."
            aws cloudformation wait stack-delete-complete --stack-name $stack
        fi
    fi
done