This is no problem, I use the following site to test my regular expressions:
https://regex101.com/r/YNDBcR/1
So it should look something like this:
(\s\d\d\d\d\d:\d\d\s(INFO|ERROR))
Note: It is worth noting that this is not a rule, it can be improved.
This option (NO_BINARY_CHECK), according to the link:
http://docs.splunk.com/Documentation/Splunk/6.5.0/Admin/Propsconf
NO_BINARY_CHECK = [true|false]
* When set to true, Splunk processes binary files.
* Can only be used on the basis of [], or [source::],
not [host::].
* Defaults to false (binary files are ignored).
* This setting applies at input time, when data is first read by Splunk.
The setting is used on a Splunk system that has configured inputs
acquiring the data.
Tks
Rodrigo Ribeiro
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