August 1999
Intermediate to advanced
1488 pages
72h 53m
English
Content preview from Pure JavaScript
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RegExp()
JavaScript 1.2+, Jscript 3.0+ Nav4+, NES3+, IE4+ Syntax
var variable = new RegExp(pattern, flags)
Description
The RegExp() object represents a regular expression that is used for pattern matching. The creation of the object takes pattern and flags parameters. The pattern is a valid regular expression. The flags are either or both g (global) and i (ignore case). Table 6.32 displays the properties and methods of the RegExp() object.
| Property/Method | Description |
|---|---|
| RegExp.$* | Represents multiline |
| RegExp.$& | Represents lastmatch |
| RegExp.$_ | Represents input |
| RegExp.$` | Represents leftContext |
| RegExp.$' | Represents rightContext |
| RegExp.$+ | Represents lastParen |
| RegExp.$1,$2,…$9 ... |
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