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docs: Update replaceRE func

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Updates for #7604
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Cameron Moore 2020-09-07 15:29:55 -05:00 committed by Bjørn Erik Pedersen
parent 183e862607
commit f7c1b5fe1c
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docs/content/en/functions/replacere.md
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@ -1,17 +1,16 @@
--- ---
title: replaceRE title: replaceRE
# linktitle: replaceRE
description: Replaces all occurrences of a regular expression with the replacement pattern. description: Replaces all occurrences of a regular expression with the replacement pattern.
godocref: godocref:
date: 2017-02-01 date: 2017-02-01
publishdate: 2017-02-01 publishdate: 2017-02-01
lastmod: 2017-04-30 lastmod: 2020-09-07
categories: [functions] categories: [functions]
menu: menu:
docs: docs:
parent: "functions" parent: "functions"
keywords: [regex] keywords: [regex]
signature: ["replaceRE PATTERN REPLACEMENT INPUT"] signature: ["strings.ReplaceRE PATTERN REPLACEMENT INPUT [LIMIT]", "replaceRE PATTERN REPLACEMENT INPUT [LIMIT]"]
workson: [] workson: []
hugoversion: hugoversion:
relatedfuncs: [] relatedfuncs: []
@ -19,9 +18,14 @@ deprecated: false
aliases: [] aliases: []
--- ---
`strings.ReplaceRE` returns a copy of `INPUT`, replacing all matches of the regular
expression `PATTERN` with the replacement text `REPLACEMENT`.
The number of replacements can be limited with an optional `LIMIT` parameter.
``` ```
{{ replaceRE "^https?://([^/]+).*" "$1" "http://gohugo.io/docs" }}` → "gohugo.io" {{ replaceRE "^https?://([^/]+).*" "$1" "http://gohugo.io/docs" }}` → "gohugo.io"
{{ "http://gohugo.io/docs" | replaceRE "^https?://([^/]+).*" "$1" }}` → "gohugo.io" {{ "http://gohugo.io/docs" | replaceRE "^https?://([^/]+).*" "$1" }}` → "gohugo.io"
{{ replaceRE "a+b" "X" "aabbaabbab" 1 }} → "Xbaabbab"
``` ```
{{% note %}} {{% note %}}