Writing Scripts in Nashorn - Scripting in Java: Integrating with Groovy and JavaScript - page 141

Table 4-12. ( continued )

Method Description

localeCompare(target) Returns a number. If the string is less than target ,

it returns a negative number; if string is greater than
target , it returns a positive number; otherwise, it
returns zero

match(regexp) Searches the string for the specified regular expression

regexp and returns the results in an array

replace(regexp,
replacement)

Searches the string using the regular expression regexp ,
replaces the matched substrings with the replacement,
and returns the result as a primitive string value

search(regexp)

Searches the string for the specified regular expression
and returns the index of the first occurrence. Returns -1
if no match is found

slice(start, end) Returns a substring contains characters from start

and end indexes in the string where start is inclusive
and end is exclusive. If end is not specified, it returns all
characters from start . If end is negative, the index is
counted from the end. "Hello".slice(1, 2) returns "e"
and "Hello".slice(1, -2) returns "el"

split(delimiter, limit) Returns an array by splitting the string around the

specified delimiter . The limit is optional and it
specifies the maximum number of elements returned in
the array

substring(start, end) Returns a substring of the string starting at the start and

up to, but not including, the end . If either argument is
NaN or negative, it is replaced with zero. If they are larger
than the length of the string, they are replaced with the
length of the string. If start is greater than end , they
are swapped. "Hello".slice(1, 2) returns "e" and
"Hello".slice(1, -2) returns "H"

toLowerCase() Returns the lowercase equivalent of the string by

replacing uppercase characters with the corresponding
lowercase characters

toLocaleLowerCase() Works the same as the toLowerCase() , except that it

uses locale specific uppercase to lowercase character
mapping

toUpperCase() Returns the uppercase equivalent of the string by

replacing lowercase characters with the corresponding
uppercase characters

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