source Property

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Description

Returns a copy of the text of the regular expression pattern. Read-only.

Syntax

rgexp.source

The rgexp argument is a Regular expression object. It can be a variable name or a literal.

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);
}

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