Regular expression not working properly in JON Alert Conditions - Red Hat Customer Portal

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Issue

We configured the alerts with alert condition as below

Event Severity as "DEBUG" and matching expression as "[2010002].+[CLEAR]"

It should create an alert on below matching string in an event

"DEBUG [2010002] [7] [CLEAR] [2011-08-11 20:34:54] [POP-ESB] [CustomExceptionHandlerAction:ValidateSourceProxy] [172.18.2.36]"

But on occurrence of above event, it is not creating an alert.
Can you see whether this is an issue in JON or my regular expression is wrong. I am tring to match below string

Environment

JBoss Operations Network (JON) 2.4.1

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