code: def exact_match_regex(name):
      """Convert string to a regex representing an exact match"""
      return "^%s$" % re.escape(name or "")
  
imports: import getpass
  import re
  from _socket import gethostname
  from datetime import datetime
  from typing import Optional, Any
  from ..backend_api.services import projects, queues
  from ..debugging.log import get_logger, LoggerRoot
label_desc: Use image node_id 13 for calling a global function with example usage: exact_match_regex(name) and returns: unknown