source

Summary

Returns a copy of the text of the regular expression pattern. Read-only. The rgExp argument is a Regular expression object. It can be a variable name or a literal.

Syntax

rgExp.source

Examples

The following example illustrates the use of the source property:

function SourceDemo(re, s){
    var s1;
    // Test string for existence of regular expression.
    if (re.test(s))
       s1 = " contains ";
    else
       s1 = " does not contain ";
    // Get the text of the regular expression itself.
    return(s + s1 + re.source );
 }

See also

Other articles

• Regular Expression Object
• Regular Expression Object

Attributions

• Microsoft Developer Network: Article