![]() ![]() See About Splunk regular expressions in the Knowledge Manager Manual.See Extract fields using regular expressions.For a longer filepath, such as c:\\temp\example, you would specify c:\\\\temp\\example in your regular expression in the search string. You must escape both backslash characters in a filepath by specifying 4 consecutive backslashes for the root portion of the filepath. The filepath is interpreted as c:\temp, one of the backslashes is removed. Searches that include a regular expression that contains a double backslash, such as in a filepath like c:\\temp, the search interprets the first backslash as a regular expression escape character. The backslash cannot be used to escape the asterisk in search strings. Splunk SPL uses the asterisk ( * ) as a wildcard character. If you want to match a period character, you must escape the period character by specifying \. The period character is used in a regular expression to match any character, except a line break character. The backslash character ( \ ) is used in regular expressions to "escape" special characters. This is interpreted by SPL as a search for the text "expression" OR "with pipe". For example, A or B is expressed as A | B.īecause pipe characters are used to separate commands in SPL, you must enclose a regular expression that uses the pipe character in quotation marks. Here are a few things that you should know about using regular expressions in Splunk searches.Ī pipe character ( | ) is used in regular expressions to specify an OR condition. ![]() You can also use regular expressions with evaluation functions such as match and replace. You can use regular expressions with the rex and regex commands. For a longer filepath, such as c:\\temp\example, you would specify c:\\\\temp\\example in your regular expression in the search string.Splunk Search Processing Language (SPL) regular expressions are PCRE (Perl Compatible Regular Expressions). ![]() For the regex command see Rex Command Examples Splunk version used: 8.x. The backslash is an escape character in both JSON strings and regular expressions. Splunk Regular Expressions: Rex Command Examples Last updated: Table of Contents Rex vs regex Extract match to new field Character classes This post is about the rex command. This is interpreted by SPL as a search for the text "expression" OR "with pipe". splunk remove special characters from field Splunk regex tutorial. Here are a few things that you should know about using regular expressions in SPL searches.Ī pipe character ( | ) is used in regular expressions to specify an OR condition. ![]() See the Quick Reference for SPL2 eval functions in the SPL2 Search Reference. You can use regular expressions with the rex command, and with the match, mvfind, and replace evaluation functions. Splunk Search Processing Language (SPL) regular expressions are Perl Compatible Regular Expressions (PCRE). ![]()
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