SEDCMD-<class> = <sed script>
* Only used at index time.
* Commonly used to anonymize incoming data at index time, such as credit
card or social security numbers. For more information, search the online
documentation for "anonymize data."
* Used to specify a sed script which Splunk software applies to the _raw
field.
* A sed script is a space-separated list of sed commands. Currently the
following subset of sed commands is supported:
* replace (s) and character substitution (y).
* Syntax:
* replace - s/regex/replacement/flags
* regex is a perl regular expression (optionally containing capturing
groups).
* replacement is a string to replace the regex match. Use \n for back
references, where "n" is a single digit.
* flags can be either: g to replace all matches, or a number to
replace a specified match.
* substitute - y/string1/string2/
* substitutes the string1[i] with string2[i]
trim_raw is class name.
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