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JavaScript | multiline Property
  • Last Updated : 22 Apr, 2019

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.




<!DOCTYPE html>
<html>
  
<head>
    <title>
      multiline Property
  </title>
</head>
  
<body style="text-align:center">
    <h1 style="color:green">
      GeeksforGeeks
  </h1>
    <h2>multiline Property</h2>
    <button onclick="geek()">
      Click it!
  </button>
  
    <script>
        function geek() {
            var regex = new RegExp('foo', 'm');
            alert(regex.multiline);
        }
    </script>
</body>
  
</html>

Output:
Before Click:
multiline
After Click:
multiline



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




<!DOCTYPE html>
<html>
  
<head>
    <title>
      multiline Property
  </title>
</head>
  
<body style="text-align:center">
    <h1 style="color:green">
      GeeksforGeeks
  </h1>
    <h2>
      multiline Property
  </h2>
    <button onclick="geek()">
      Click it!
  </button>
  
    <script>
        function geek() {
            var regex = /[a-d]/;
            var str =
                "GeeksforGeeks\n"+
                "is the computer\n"+
                "science portal for geeks.";
            
            if (regex.multiline) {
                alert("m Modifier is present");
            } else {
                alert("m Modifier is absent.");
            }
        }
    </script>
</body>
  
</html>

Output:
Before Click:
multiline

After Click:
multiline

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

  • Google Chrome
  • Apple Safari
  • Mozilla Firefox
  • Opera
  • Internet Explorer



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