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utf8substring -- extract part of a utf8 string

Synopsis

Usage:

utf8substring(s, i, n)
Inputs:
- s, a string,
- i, an integer, starting index of substring
- n, an integer, length of substring
Outputs:
- a string,

Description

Returns the substring of s that starts at index i and has n characters, both measured in utf8 characters.

i1 : s = "π ≈ 3.14159";

i2 : utf8substring(s, 4, 4)

o2 = 3.14

See also

substring -- extract part of a string

For the programmer

The object utf8substring is a compiled function.