JavaScript RegExp multiline Property

The multiline Property property in Javascript is used to specify whether the “m” modifier is set or not. If the “m” modifier is set than this property returns true else false.

Syntax:

RegexObj.multiline

Return Value: It returns true if m modifier is set, else false.

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

Javascript

function geek() 
    let regex = new RegExp('foo', 'm');
    console.log(regex.multiline);
geek()

Output

true

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

Javascript

function geek() 
    let regex = /[a-d]/;
    let str =
        "neveropen\n" +
        "is the computer\n" +
        "science portal for neveropen.";
 
    if (regex.multiline) 
        console.log("m Modifier is present");
     else 
        console.log("m Modifier is absent.");
    
geek()

Output

m Modifier is absent.

Supported Browsers: The browsers supported by multiline Property are listed below:

Google Chrome
Apple Safari
Mozilla Firefox
Opera
Internet Explorer

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

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