FileLog: better regexp checking


git-svn-id: https://svn.code.sf.net/p/fhem/code/trunk@5400 2b470e98-0d58-463d-a4d8-8e2adae1ed80
OWX-Clients: use OWX_ASYNC_Verify in asynchronous mode

git-svn-id: https://svn.code.sf.net/p/fhem/code/trunk@5401 2b470e98-0d58-463d-a4d8-8e2adae1ed80