What is JavaScript RegExp sticky Property?

In this article, we will learn JavaScript RegExp sticky Property,This free Javascript tutorial for complete beginners will help you learn Javascript from scratch.

JavaScript RegExp sticky Property

Q: How to use JavaScript RegExp sticky Property in Javascript?

JavaScript RegExp sticky property is used to check whether the ‘s’ flag is set or not

JavaScript RegExp source Property

JavaScript RegExp unicode Property

JavaScript RegExp sticky property is used to check whether the ‘s’ flag is set or not. If the ‘s’ flag is set then this property returns true else false.

Syntax:

RegExpobj.sticky

Return Type: A boolean value.

Example 1: This example checks whether ‘y’ flag is present or not and prints it on the console.

Javascript

function stickyProp() {
    let regex = new RegExp(/[a-d]/, 'd');
 
    console.log(regex.sticky);
}
 
stickyProp();

Output

false

Example 2: This example checks whether ‘y’ flag is present or not.

Javascript

function stickyProp() {
    let regex = new RegExp(/[a-d]/, 'y');
 
    if (regex.sticky) {
        console.log("y flag is present");
    } else {
        console.log("y flag is absent");
    }
}
 
stickyProp();