JavaScript RegExp unicode Property

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JavaScript RegExp unicode property is used to check whether the ‘u’ flag is set or not in the Regular Expressions flag. If the ‘u’ flag is set then this property returns true else false.

Syntax:

Regexpobj.unicode

Return Type: A boolean value.

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

Javascript

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

Output

true

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

Javascript

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

Output

u flag is absent

Supported Browsers:

Chrome 50
Edge 12
Firefox 46
Opera 37
Safari 10

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

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