JavaScript RegExp dotAll Property

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JavaScript RegExp dotAll 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:

Regexobj.dotAll

Return Value: A boolean value.

Example 1: This example checks if the regular expression contains s Modifier or not.

Javascript

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

Output

true

Example 2: This example checks if the regular expression contains s Modifier or not.

Javascript

function dotAll_prop() {
    let regex = new RegExp(/[a-d]/);
 
    if (regex.ignoreCase) {
        console.log("i Modifier is present");
    } else {
        console.log("i Modifier is absent");
    }
}
 
dotAll_prop();

Output

i Modifier is absent

Supported Browsers:

Chrome 62
Edge 79
Firefox 78
Opera 49
Safari 11.1

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

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