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JavaScript RegExp * Quantifier

❮ JavaScript RegExp Object

Example 1

Do a global search for an "l", followed by zero or more "o" characters:

var str = "Hellooo World! Hello W3Schools!";
var patt1 = /lo*/g;

The marked text below shows where the expression gets a match:

Hellooo World! Hello W3Schools!
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Definition and Usage

The n* quantifier matches any string that contains zero or more occurrences of n.


Browser Support

Expression
* Yes Yes Yes Yes Yes

Syntax

new RegExp("n*")

or simply:

/n*/

Syntax with modifiers

new RegExp("n*","g")

or simply:

/\n*/g

More Examples

Example 2

Do a global search for a "1", followed by zero or more "0" characters:

var str = "1, 100 or 1000?";
var patt1 = /10*/g;

The marked text below shows where the RegExp gets a match:

1, 100 or 1000?
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❮ JavaScript RegExp Object