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Matches when the calculated layout does NOT contain the specified substring. This filter is deprecated in favour of <when /> which is based on contitions. 

Supported in

Configuration Syntax

Read more about using the Configuration File.

Parameters

• Filtering Options
• layout - Layout to be used to filter log messages.Layout Required.
• substring - Substring to be matched. Required.
• action - Action to be taken when filter matches. Required.
  Possible values:
  • Ignore - The message should not be logged.
  • IgnoreFinal - The message should not be logged and processing should be finished.
  • Log - The message should be logged.
  • LogFinal - The message should be logged and processing should be finished.
  • Neutral - The filter doesn't want to decide whether to log or discard the message.
• ignoreCase - Indicates whether to ignore case when comparing strings.Boolean Default: False