Match Rule

The foglamp-rule-match is a notification rule plugin that triggers when Asset datapoint/Audit code attribute matches with regular expression provided by the user.

During the configuration of a notification use the screen presented to choose the Match plugin as the rule.

The next screen you are presented with provides the configuration options for the rule.

• Data Source: Name of the data source, can be Readings or Audit.

• Name: Asset Name/Audit Code.

• Value: Asset datapoint/Audit code attribute to be searched, can be blank or * to match all.

• Expression: Regex to be matched with value of Asset datapoint/Audit code attribute.

• Match whole word: Expression match for complete / partial word.

• Match Case: Expression match type case sensitive/case insensitive.

Note

If the value of expression is true, then the rule is triggered. Regular expression cannot have only single wildcard character (* or ?) to be matched.

Expression may contain any of the following…

• Wildcard characters (?, *, ., +)

• Range ([0-9], [A-Z] etc)

Regular expression examples:

Matching at beginning or end

• To search alphabet in the beginning : ^[A-Za-z]

• To search number at the end : [0-9]$

• Negation : [^0-9] match should not have any numbers from 0 to 9