- Splunk Regex Cheat Sheet Template
- C# Regex Cheat Sheet
- Splunk Regex Cheat Sheet Pdf
- Regex Cheat Sheet Powershell
Usage of Splunk commands : REGEX
Usage of Splunk commands : REGEX is as follows
- Regex command removes those results which don’t match with the specified regular expression.
- If we don’t specify any field with the regex command then by default the regular expression applied on the _raw field.
Regular expression tester with syntax highlighting, explanation, cheat sheet for PHP/PCRE, Python, GO, JavaScript, Java. Features a regex quiz & library. Regex101: build, test, and debug regex. This is especially important, as Splunk configuration files are all editable text files. With some well-developed VI skills, it makes it quite easy to configure or reconfigure your Splunk installs, especially those installs such as the Universal Forwarder, which does not have a Splunk Web UI. So here: is the cheat sheet I use. 9.3k members in the Splunk community. SANS Cheat Sheet to Cheat Sheets. Manually do field extractions with a custom regex that I made but the sourcetype.
Find below the skeleton of the usage of the command “regex” in SPLUNK :
regex [ <field name> = < regex – expression> ] [ <field name> != < regex – expression> ]
Example 1:
index=”ip” sourcetype=”iplog”
| regex IP = “(?<!d)10.d{1,3}.d{1,3}.d{1,3}(?!d)”
Splunk Regex Cheat Sheet Template
| table IP
| dedup IP
Result:
Explanation:
In the above query “IP” is the existing field name in “ip” index and sourcetype name is “iplog” . By the “regex” command we have taken only the class A private ip addresses (10.0.0.0 to 10.255.255.255 ) from the “IP” field . Then by the “table” command we have taken the “IP” field and by the “dedup” command we have removed the duplicate values.
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Example 2:
index=”ip” sourcetype=”iplog”
| regex IP != “(?<!d)10.d{1,3}.d{1,3}.d{1,3}(?!d)”
| table IP
| dedup IP
Result:
Explanation:
In the above query “IP” is the existing field name in “ip” index and sourcetype name is “iplog” . By the “regex” command we have taken the ip addresses which are not class A private ip addresses (10.0.0.0 to 10.255.255.255 ) from the “IP” field. Here we have used “!” sign for not matching the specified regex-expression . Then by the “table” command we have taken the “IP” field and by the “dedup” command we have removed the duplicate values.
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Example 3:
index=”ip” sourcetype=”iplog”
| regex “(?<!d)10.d{1,3}.d{1,3}.d{1,3}(?!d)”
Result:
Explanation:
C# Regex Cheat Sheet
In the above query “ip” is the index and sourcetype name is “iplog” . By the “regex” command we have taken only the class A private ip addresses (10.0.0.0 to 10.255.255.255 ) . Here we don’t specify any field with the “regex” command so by default the regex-expression will be applied to the “_raw” field.
Now you can effectively utilize “regex” command in your daily use to meet your requirement !!
Splunk Regex Cheat Sheet Pdf
Hope you are now comfortable in : Usage of Splunk commands : REGEX
Regex Cheat Sheet Powershell
HAPPY SPLUNKING !!