JavaScript RegExp exec() Method
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JavaScript RegExp exec() Method
The RegExp exec() method executes a regular expression search within a string, and returns the results in an array, or null.
Example
HTML Online Editor
<!DOCTYPE html>
<html>
<body>
<button onclick="myFunction()">Click me</button>
<p id="point"></p>
<script>
function myFunction(){
var str = "Pot I got is hot";
// Try to change "o" to "z"
var pattern = new RegExp("o");
var result = pattern.exec(str);
document.getElementById("point").innerHTML = result;
}
</script>
</body>
</html>
Syntax
RegExpObject.exec(string)
Parameter Values
| Value | Type | Explanation |
|---|---|---|
| string | Required | The string to be searched. |
Return Value
| Value | Explanation |
|---|---|
| array | Return an array representing a search character(s) if matched. |
| null | Return null if a search character(s) was not matched. |
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