Hi, I am looking for a logstash filter that would enable me to extract the most accurate matching result starting from left hand side of the number. Here is an example of a IMSI number has 15 digits, the first three digits present the mobile country code, the next two or three numbers are the Mobile…

Extracting first few digits from a long number through filters

Hans (Hans) June 6, 2016, 7:51pm 3

Ok, thank you for the feedback, will try the path suggested

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Extracting first few digits from a long number through filters

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