source Property (JavaScript)
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.
rgExp.source
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);
}
Supported in the following document modes: Quirks, Internet Explorer 6 standards, Internet Explorer 7 standards, Internet Explorer 8 standards, Internet Explorer 9 standards. See Version Information.
Applies To: Regular Expression Object (JavaScript)