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ES6 - RegExp exec()
The exec method searches string for text that matches regexp. If it finds a match, it returns an array of results; otherwise, it returns null.
Syntax
RegExpObject.exec( string );
Parameter Details
String − The string to be searched
Return Value
It returns the matched text if a match is found, and NULL if not.
Example
var str = "Javascript is an interesting scripting language";
var re = new RegExp( "script", "g" );
var result = re.exec(str);
console.log("Test 1 - returned value : " + result);
re = new RegExp( "pushing", "g" );
var result = re.exec(str);
console.log("Test 2 - returned value : " + result)
Output
Test 1 - returned value : script Test 2 - returned value : null
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