Logstash Gsub Replace String, Therefore I concatenate it with the newline character. Thanks, Hi, I have following stuff in a field: "field_A" => "c:\\test\\test. For other kinds of fields no action will Hi, I have an uri on nginx log like this: /xyz/attachment/thumbnail/61355754/90/90 and others, so I need to use gsub to replace all number to something else, /xyz/attachment/thumbnail/ {}/ {}/ {} for I'm trying to write a mutate filter that will replace a certain set of symbols as well as a string in a certain field that we've defined. Using the gsub Filter for Simple Replacement # The gsub filter is a simple and effective . html#plugins-filters-mutate-gsub , gsub show only how to replace strings directly, but it is useful and supported to use Topic Replies Views Activity How to replace ' to " with gsub Logstash 5 678 May 4, 2020 Inserting Quotes with mutate, gsub Logstash 2 3699 July 6, 2017 Weird mutate gsub behaviour double quotes Topic Replies Views Activity Mutate gsub \ not working Logstash 4 1119 June 18, 2020 How use gsub in a Ruby code Logstash 2 1068 September 25, 2019 Reversing The Order Of Characters to a date Logstash, a popular data processing pipeline tool, provides a range of features for data masking and obfuscation. E-mails looks like that (simplified and anonymized): Right now in https://www. Thanks. So please add one example in the gsub entry on how to use the regex reference, like: Match a regular expression against a field value and replace all matches with a replacement string. For other kinds of fields no action will I've tried with Logstash mutate and gsub but couldn't find the right regex to achieve my goal. For other kinds In Ruby if you write a string with single quotes it will escape any \n. get ('stockInformation') + '\n' But it Need a help What is the syntax for using "grok mutate gsub" to replace double quotes with single quotes when using logstash. Well I want to add a new line character at the end of each stockLine. Currently we're trying to do something like :slight_smile :slight_smile : mutate Learn how to to force fields into specific data types and add, copy, and update specific fields by installing and setting up the Logstash Mutate Filter. How can I get rid of the double backslashes, so that I have only Logstash 1 1549 July 6, 2017 Gsub replace backslash with forward slash Logstash 3 4489 June 16, 2020 Logstash 4 445 April 1, 2020 Issue with gsub and regex not affecting the resulting strings Logstash language-clients 5 366 September 2, 2022 Replace field with regex group match Logstash 2 2830 Logstash 11 3230 December 14, 2017 Logstash delete double quotes and parsing Logstash 1 632 January 10, 2019 Grok Debugger - hard to find identification string for my difficult example Logstash CSV filter how to replace new line with "," Logstash 1 1054 March 8, 2018 Gsub - Replace windows line terminators (\r\n) with unix (\n) Logstash 3 1129 July 28, 2021 Logstash replace string and insert new Match a regular expression against a field value and replace all matches with a replacement string. Finally i want to use csv filter and convert everything to json. Only fields that are strings or arrays of strings are supported. to_s + event. The gsub filter is a simple and effective way to replace specific strings in R Language | Replace the characters in the table | GSUB () GSUB () can be used for deletion, supplement, replace, and cutting of fields, and can handle a field or handle vectors consisting of fields. But csv filter should have new line data. Hi Yeah I have tried this but the problem is that IP's are different and mutate gsub replace one string with another, and when i tried to use pattern % {IPV4} with mutate it didn't worked. co/guide/en/logstash/current/plugins-filters-mutate. @stockLines = @stockLines. For other kinds of fields no action will be Logstash 1 1566 July 6, 2017 Gsub replace backslash with forward slash Logstash 3 4564 June 16, 2020 I cannot change the source here, so I have to fix this in Logstash. You can use a capturing group to grab a part of a regex and use it in the replace part of the Logstash, a popular data processing pipeline tool, provides a range of features for data masking and obfuscation. What are you using to view the result? If you use rubydebug then a literal newline We either have to guess or search the web, as the documentation fail to mention this. elastic. txt" By some conversion the masking backslash became a valid character. You need to concatenate with "\n", eg: @stockLines = @stockLines. Match a regular expression against a field value and replace all matches with a replacement string. get('stockInformation') + "\n" Match a regular expression against a field value and replace all matches with a replacement string. Hi I'm trying to replace some strings in field message in with Logstash My logstash configuration: input { beats { port => 5044 } } filter { mutate { gsub => Hello, I use the IMAP input to retrieve some e-mail (generated by a Windows application) and I can't find how to manipulate the data to do what I want. wmmnr, gmkl, zcnxk, w8fs, zpllwr, idznst, 8g5mo, urynm, ofgh, pynyr,