Non-standard
This feature is non-standard and is not on a standards track. Do not use it on production sites facing the Web: it will not work for every user. There may also be large incompatibilities between implementations and the behavior may change in the future.

The toSource() method returns a string representing the source code of the object.

Syntax

regexObj.toSource()

Return value

A string representing the source code of the given RegExp object.

Description

The toSource() method returns the following values:

  • For the built-in RegExp object, toSource() returns the following string indicating that the source code is not available:
    function RegExp() {
        [native code]
    }
    
  • For instances of RegExp, toSource() returns a string representing the source code.

This method is usually called internally by JavaScript and not explicitly in code.

Specifications

Not part of any standard. Implemented in JavaScript 1.3.

Browser compatibility

FeatureChromeEdgeFirefoxInternet ExplorerOperaSafari
Basic Support No No (Yes) No No No
FeatureAndroidChrome for AndroidEdge mobileFirefox for AndroidIE mobileOpera AndroidiOS Safari
Basic Support No No No (Yes) No No No

See also

Document Tags and Contributors

 Last updated by: fscholz,