The test() method tests for a pattern match in a string.
Returns Boolean value true or false.
<html> <body> <script language="JavaScript"> <!-- myExp = new RegExp("is", "g");
str = "This is a test";
if(myExp.test(str)){ document.write("The test found "hope" in the string: " + "<b>" + " I hope everything is going well" + "</b>"); } --> </script> </body> </html>