Utf8.insert
From GiderosMobile
Available since: Gideros 2016.06
Description
Insert a substring to s. If idx is given, insert substring before char at this index, otherwise substring will concat to s. idx can be negative.
(string) = utf8.insert(s,idx,substring)
Parameters
s: (string)
idx: (number) index where to insert optional
substring: (string) optional
Return values
Returns (string) new string
