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docs: Clarify regexp matcher capture group numbers (#28)

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Francis Lavoie 2020-04-22 18:13:59 -04:00 • committed by GitHub
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src/docs/markdown/caddyfile/matchers.md
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@ -200,7 +200,7 @@ By request header fields.
header_regexp [<name>] <field> <regexp>
```
Like `header`, but supports regular expressions. Capture groups can be accessed via placeholder like `{http.regexp.name.capture_group}` where `name` is the name of the regular expression (optional, but recommended) and `capture_group` is either the name or number of the capture group in the expression.
Like `header`, but supports regular expressions. Capture groups can be accessed via placeholder like `{http.regexp.name.capture_group}` where `name` is the name of the regular expression (optional, but recommended) and `capture_group` is either the name or number of the capture group in the expression. Capture group `0` is the full regexp match, `1` is the first capture group, `2` is the second capture group, and so on.
### host
@ -258,7 +258,7 @@ By request path, meaning the path component of the request's URI. Path matches a
path_regexp [<name>] <regexp>
```
Like `path`, but supports regular expressions. Capture groups can be accessed via placeholder like `{http.regexp.name.capture_group}` where `name` is the name of the regular expression (optional, but recommended) and `capture_group` is either the name or number of the capture group in the expression.
Like `path`, but supports regular expressions. Capture groups can be accessed via placeholder like `{http.regexp.name.capture_group}` where `name` is the name of the regular expression (optional, but recommended) and `capture_group` is either the name or number of the capture group in the expression. Capture group `0` is the full regexp match, `1` is the first capture group, `2` is the second capture group, and so on.
### protocol