Trigger Bitbucket pipeline based on commits in specific branch or specific tag

pipelines:
  branches:
    master:
      - step:
          script:
            - echo "master"
    develop:
      - step:
          script:
            - echo "work"

pipelines:
  branches:
    '{master,develop,feature}':
      - step:
          script:
            - echo "master, develop or feature"
    work:
      - step:
          script:
            - echo "work"

pipelines:
  tags:
    '*':
      - step:
          name: "Preparing bash to scripts"
          script:
            - echo $BITBUCKET_TAG

pipelines:
  tags:
    '*-rc*':
      - step:
          script:
            - echo "My tag build"