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JavaScript RegExp sticky Property

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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();


Output

y flag is present

Supported Browsers:

  • Chrome 49
  • Edge 13
  • Firefox 3
  • Opera 36
  • Safari 10

We have a complete list of JavaScript RegExp expressions, to check those please go through this JavaScript RegExp Reference article.


Last Updated : 01 Aug, 2023
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