string SubStr(int index) constReturns the remainder of the string after the given index. For example; for the string "Hello", SubStr(1) returns "ello".
int index
string string SubStr(int index, int length) constReturns a portion of the string from the index and length. For example; for the string "Hello", SubStr(1, 3) returns "ell".
int index
int length
string