hugo/docs/content/en/functions/replace.md

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replace	Replaces all occurrences of the search string with the replacement string.		2017-02-01	2017-02-01	2020-09-07	functions	docs parent functions		strings.Replace INPUT OLD NEW [LIMIT] replace INPUT OLD NEW [LIMIT]				false

Replace returns a copy of INPUT with all occurrences of OLD replaced with NEW. The number of replacements can be limited with an optional LIMIT parameter.

`{{ replace "Batman and Robin" "Robin" "Catwoman" }}`
→ "Batman and Catwoman"

{{ replace "aabbaabb" "a" "z" 2 }} → "zzbbaabb"