![]() ![]() ![]() If you use regular expressions in conjunction with the regex command, note that != behaves differently for the regex command than for the search command. Use the rex command to either extract fields using regular expression named groups, or replace or substitute characters in a field using sed expressions. Use the regex command to remove results that match or do not match the specified regular expression. The difference between the regex and rex commands See SPL and regular expressions in the Search Manual.Īlthough != is valid within a regex command, NOT is not valid.įor general information about regular expressions, see About Splunk regular expressions in the Knowledge Manager Manual. When you use regular expressions in searches, you need to be aware of how characters such as pipe ( | ) and backslash ( \ ) are handled. The regex command is a distributable streaming command. To keep results that do not match, specify !=. You can specify that the regex command keeps results that match the expression by using =. Optional arguments Syntax: Description: Specify the field name from which to match the values against the regular expression. The regular expression must be a Perl Compatible Regular Expression supported by the PCRE library. Regex (= | != | ) Required arguments Syntax: "" Description: An unanchored regular expression. Removes results that match or do not match the specified regular expression.
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