Commit 2deab292 authored by Brian Brazil's avatar Brian Brazil

Document that target_label can do regex replacement

Fixes #602
parent 040c3a58
...@@ -819,7 +819,7 @@ prefix is guaranteed to never be used by Prometheus itself. ...@@ -819,7 +819,7 @@ prefix is guaranteed to never be used by Prometheus itself.
[ separator: <string> | default = ; ] [ separator: <string> | default = ; ]
# Label to which the resulting value is written in a replace action. # Label to which the resulting value is written in a replace action.
# It is mandatory for replace actions. # It is mandatory for replace actions. Regex capture groups are available.
[ target_label: <labelname> ] [ target_label: <labelname> ]
# Regular expression against which the extracted value is matched. # Regular expression against which the extracted value is matched.
...@@ -829,7 +829,7 @@ prefix is guaranteed to never be used by Prometheus itself. ...@@ -829,7 +829,7 @@ prefix is guaranteed to never be used by Prometheus itself.
[ modulus: <uint64> ] [ modulus: <uint64> ]
# Replacement value against which a regex replace is performed if the # Replacement value against which a regex replace is performed if the
# regular expression matches. # regular expression matches. Regex capture groups are available.
[ replacement: <string> | default = $1 ] [ replacement: <string> | default = $1 ]
# Action to perform based on regex matching. # Action to perform based on regex matching.
......
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