Where can i learning the official grammar of ruby code which apply in logstash script

Elastic Stack Logstash
1

Hi experts,

Would you please provide some materials or WEB Link for me that include the introduction of grammar of ruby code which apply in logstash script.

Such like this:

ruby {
    code => 'event.get("message").scan(/loc[A-Z]{4}/).each {|loc| event.tag(loc)}'
}

ruby {
 event.set('except_fcn_trace', event.get('except_fcn_trace').delete(' ').scan(/.{16}/).join(' '))
}

I just want to know how many event function(.get .set .scan . delete) defined and how to use them in logstash.

Thank you.

2

.get and .set are part of the logstash event API. .scan and .delete are functions of a Ruby string.

3

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