[JavaScript]regular expression

石頭閒語：http://blog.roodo.com/rocksaying/archives/2670695.html

JavaScript Kit: http://www.javascriptkit.com/javatutors/redev2.shtml

online tester: http://www.regular-expressions.info/javascriptexample.html

In firefox: https://developer.mozilla.org/en-US/docs/JavaScript/Reference/Global_Objects/RegExp RegExp() Function

RegExp(pattern [, flags]) /pattern/flags

code:
var re = new RegExp("\\w+")
var re = /\w+/;

Properties

See also Deprecated RegExp Properties

Note that several of the RegExp properties have both long and short (Perl-like) names. Both names always refer to the same value. Perl is the programming language from which JavaScript modeled its regular expressions.

constructor
Specifies the function that creates an object's prototype.
global lastIndex multiline source

Methods

exec
    Executes a search for a match in its string parameter.
test
    Tests for a match in its string parameter.

toSource Non-standard
    Returns an object literal representing the specified object; you can use this value to create a new object. Overrides the Object.prototype.toSource method.

toString
Returns a string representing the specified object. Overrides the Object.prototype.toString method.