substr


Purpose
Get a substring of a string.
Synopsis
function substr(str:string, i1:integer, i2:integer):string
Arguments
str 
String
i1 
Starting position of the substring
i2 
End position of the substring
Return value
Substring of the given string.
Example
write(substr("Example text", 3, 10))
This outputs the text: ample te
Further information
This function returns the substring from the i1th to the i2th character of a given string (the counting starts from 1). This function returns an empty string if the bounds are not compatible with the string (e.g. starting position larger than the length of the string) or inconsistent (e.g. starting position after end position).


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