Zabbix

..F....... [ZBX-23171] fixed slash escaping in macros with regular expression context

* commit '78bde58e3df4e0b8e3b4acb5145b645bcc576108':
  ..F....... [ZBX-23171] removed the redundant variable $formatted_regex
  ..F....... [ZBX-23171] simplified code pt2
  ..F....... [ZBX-23171] simplified code
  ..F....... [ZBX-23171] fixed regular expression to handle slash escaping
  ..F....... [ZBX-23171] removed debugging code
  ..F....... [ZBX-23171] removed the trimming of leading and trailing slashes in regular expression of user macros with context
  ..F....... [ZBX-23171] fixed slash escaping in macros with regular expression context