filter_modify: condition key_value_matches regex bug (#893)
filter_modify: condition key_value_matches regex bug (#893)

In configuring Condition 'Key_Value_Matches' KEY REGEX
Accidentally KEY is consired regex not REGEX parameter.
This can crash program.

Signed-off-by: Jukka Pihl <7ffcba6440545644247306458a88a44bf5fab7b2@iki.fi>
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