JavaScript 1.5 version: Deprecated Featuresess validation

Last update on August 19 2022 21:50:38 (UTC/GMT +8 hours)

RegExp (Regular expression) Properties

The following properties are deprecated.

Property	Description
$1, ..., $9	Parenthesized substring matches, if any.
$_	The string against which a regular expression is matched.
$*	Reflects whether or not to search in strings across multiple lines.
$&	The last matched characters.
$+	The last parenthesized substring match.
$`	The substring preceding the most recent match
$'	The substring following the most recent match
input	The string against which a regular expression is matched.
lastMatch	The last matched characters.
lastParen	The last parenthesized substring match, if any.
leftContext	The substring preceding the most recent match.
rightContext	The substring following the most recent match.

RegExp (Regular expression) Methods

The compile method is deprecated.

The valueOf method is no longer specialized for RegExp. Use Object.valueOf.

Escape sequences

Octal escape sequences (\ followed by one, two, or three octal digits) are deprecated in string and regular expression literals.

The escape and unescape functions are deprecated. Use encodeURI, encodeURIComponent, decodeURI or decodeURIComponent to encode and decode escape sequences for special characters.

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