»substr Function
substr extracts a substring from a given string by offset and length.
Examples
The offset and length are both counted in unicode characters rather than bytes:
substr Functionsubstr extracts a substring from a given string by offset and length.
substr(string, offset, length)
> substr("hello world", 1, 4)
ello
The offset and length are both counted in unicode characters rather than bytes:
> substr("🤔🤷", 0, 1)
🤔