JavaScript 1.5 version: Deprecated Featuresess validation
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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