June 1999
Intermediate to advanced
540 pages
21h 39m
English
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Name
RegExp — regular expressions for pattern matching
Availability
Core JavaScript 1.2
Constructor
new RegExp(pattern, attributes)
Instance Properties
- global
Whether a regular expression matches globally. Not implemented in Internet Explorer 4.
- ignoreCase
Whether a regular expression is case-insensitive. Not implemented in Internet Explorer 4.
- lastIndex
The character position after the last match. Not implemented in Internet Explorer 4.
- source
The text of the regular expression.
Static Properties
- RegExp.$n
The text that matched the nth subexpression.
- RegExp.input or RegExp.$_
The input buffer for pattern matching. Nonfunctional in Internet Explorer 4.
- RegExp.lastMatch or RegExp["$&"]
The text of the last successful pattern match. Not implemented in Internet Explorer 4.
- RegExp.lastParen or RegExp["$+"]
The text that matched the last subexpression. Not implemented in Internet Explorer 4.
- RegExp.leftContext or RegExp["$`"]
The text before the last match. Not implemented in Internet Explorer 4.
- RegExp.multiline or RegExp["$*"]
Whether matches are performed in multiline mode. Not implemented in Internet Explorer 4.
- RegExp.rightContext or RegExp["$'"]
The text after the last match. Not implemented in Internet Explorer 4.
Methods
- compile(newpattern, attributes)
Change a regular expression.
- exec(string)
General-purpose pattern matching. Buggy in Internet Explorer 4.
- test(string)
Test whether a string contains a match.
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.