Function: substring

Function: substring


 substring(some_string, begin: number, end: number)

Extract a subsection of a string.


Parameter Type Description
input string String to extract something from.
begin number (optional) Index of first character to keep (the first index is 0). If ommitted, starts at the begining of the string.
end number (optional) Index just beyond the last character to keep. If ommitted, runs to the end of the string.


 substring("abcdefg", end:2)          == "ab"
 substring("abcdefg", begin:2)        == "cdefg"
 substring("abcdefg", begin:2, end:4) == "cd"
 substring("abcdefg", begin:2, end:2) == ""