terraform/website/docs/configuration/functions/substr.html.md

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functions substr function docs-funcs-string-substr The substr function extracts a substring from a given string by offset and length.

substr Function

substr extracts a substring from a given string by offset and length.

substr(string, offset, length)

Examples

> substr("hello world", 1, 4)
ello

The offset and length are both counted in unicode characters rather than bytes:

> substr("🤔🤷", 0, 1)
🤔