Download OPL Language Reference Manual

String properties
Provides a reference for the properties of strings.
There is a single, read-only string property.
Table 26. String property
Syntax
Value
string.length
Number of characters in string. This is a
read-only property.
Examples:
"abc".length –> 3
"".length –> 0
String methods
Provides a reference for string methods.
Characters in a string are indexed from left to right. The index of the first character
in a string is 0, and the index of the last character is string.length-1.
Table 27. String methods
Syntax
Effect
string.substring(start [ , end ] )
Returns the substring of string starting at
the index start and ending at the index
end-1. If end is omitted, the tail of string is
returned.
Examples:
"0123456".substring(0, 3) –> "012"
"0123456".substring(2, 4) –> "23"
"0123456".substring(2) –> "23456"
string.charAt(index)
Returns a one-character string containing the
character at the specified index of string. If
index is out of range, an empty string is
returned.
Examples:
"abcdef".charAt(0) –> "a"
"abcdef".charAt(3) –> "d"
"abcdef".charAt(100) –> ""
string.charCodeAt(index)
Returns the ASCII code of the character at
the specified index of string. Ifindex is out
of range, returns NaN.
Examples:
"abcdef".charCodeAt(0) –> 97
"abcdef".charCodeAt(3) –> 100
"abcdef".charCodeAt(100) –> NaN
112
OPL Language Reference Manual