question Regex to replace all characters after " ;" in a string in a flowfile - NiFi in Support Questions

Regex to replace all characters after " ;" in a string in a flowfile - NiFi

bsivalingam83 — Tue, 19 Feb 2019 15:44:28 GMT

Hi,

Am trying to replace all characters after ";" including ; in the flowfile record.

I was using replacetext processor with ;.*$ as the search value and set empty value for Replacement value properties to achieve this. However it is not working out.

Any inputs in this regard would be really helpful.

Example:

Input

Replace;text;processor

Expected Output:

Replace

Thanks,

Bala.

Re: Regex to replace all characters after " ;" in a string in a flowfile - NiFi

MattWho — Sun, 18 Aug 2019 00:03:56 GMT

@Bala S

I would recommend using capture groups in your regex. Here is an example that will work for your example:

I then replace with just the value from capture group 1

Here is another example that is more generic (can have many ";<somevalue>" after first one:

Here again I use capture group 1 as my replacement value.

Thank you,

Matt

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Re: Regex to replace all characters after " ;" in a string in a flowfile - NiFi

bsivalingam83 — Wed, 20 Feb 2019 02:05:27 GMT

Thanks @Matt Clarke. I went with the option 2 and it worked. Thanks again for the quick reply.