JavaScript RegExp Tutorial
Selected Reading
- JavaScript RegExp - Discussion
- JavaScript RegExp - Useful Resources
- JavaScript RegExp - Quick Guide
- JavaScript RegExp - toString()
- JavaScript RegExp - toSource()
- JavaScript RegExp - test()
- JavaScript RegExp - exec()
- JavaScript RegExp - source
- JavaScript RegExp - multiline
- JavaScript RegExp - lastIndex
- JavaScript RegExp - ignoreCase
- JavaScript RegExp - global
- JavaScript RegExp - constructor
- JavaScript RegExp - g
- JavaScript RegExp - i
- JavaScript RegExp - (foo|bar|baz)
- JavaScript RegExp - [^aeiou]
- JavaScript RegExp - [aeiou]
- JavaScript RegExp - W
- JavaScript RegExp - w
- JavaScript RegExp - D
- JavaScript RegExp - d
- JavaScript RegExp - S
- JavaScript RegExp - s
- JavaScript RegExp - .
- JavaScript RegExp - uxxxx
- JavaScript RegExp - xnn
- JavaScript RegExp -
- JavaScript RegExp - f
- JavaScript RegExp - v
- JavaScript RegExp -
- JavaScript RegExp -
- JavaScript RegExp -
- JavaScript RegExp - Alphanumeric
- JavaScript RegExp - p(hp)*
- JavaScript RegExp - <b>(.*)</b>
- JavaScript RegExp - ^.{2}$
- JavaScript RegExp - p.p
- JavaScript RegExp - [^a-zA-Z]
- JavaScript RegExp - ^p
- JavaScript RegExp - p$
- JavaScript RegExp - p{N,}
- JavaScript RegExp - p{N1,N2}
- JavaScript RegExp - p{N}
- JavaScript RegExp - p?
- JavaScript RegExp - p*
- JavaScript RegExp - p+
- JavaScript RegExp - [a-zA-Z]
- JavaScript RegExp - [A-Z]
- JavaScript RegExp - [a-z]
- JavaScript RegExp - [0-9]
- JavaScript RegExp - [^...]
- JavaScript RegExp - [...]
- JavaScript RegExp - Overview
- JavaScript RegExp - Home
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JavaScript RegExp - test()
JavaScript RegExp - test
Description
The test method searches string for text that matches regexp. If it finds a match, it returns true; otherwise, it returns false.
Syntax
Its syntax is as follows −
RegExpObject.test( string );
Parameter Details
string − The string to be searched
Return Value
Returns the matched text if a match is found, and null if not.
Example
<html>
<head>
<title>JavaScript RegExp test Method</title>
</head>
<body>
<script type = "text/javascript">
var str = "Javascript is an interesting scripting language";
var re = new RegExp( "script", "g" );
var result = re.test(str);
document.write("Test 1 - returned value : " + result);
re = new RegExp( "pushing", "g" );
var result = re.test(str);
document.write("<br />Test 2 - returned value : " + result);
</script>
</body>
</html>
Output
Test 1 - returned value : true Test 2 - returned value : falseAdvertisements