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Replaces the text found by a regular expression with other text.
The replace method syntax has these parts:
Part Description stringObj Required. The String object or literal on which to perform the replace. This object is not modified by the replace method. rgExp Required. A Regular Expression object describing what to search for. replaceText Required. A String object or literal containing the text to replace for every successful match of rgExp in stringObj.
The result of the replace method is a copy of stringObj after all replacements have been made.
The method updates the contents of the RegExp object.