isURL

The isURL function checks if a string matches the format of a valid URL (http or https).

Syntax

isURL(value)

Parameters

Parameter	Type	Description
value	string	URL to be checked.

Return

Type	Description
boolean	Returns true if the string matches the format of a valid URL, otherwise returns false.

Examples

isURL('https://www.example.com');      // true
isURL('http://example.com/path');      // true
isURL('ftp://example.com');            // false
isURL('www.example.com');              // false
isURL('https://example');              // false
isURL('https://example.com:8080');     // true
isURL('https://example.com/path?q=1'); // true
isURL('');                            // false

Notes

• Throws a TypeError if the provided value is not a string.
• Only validates URLs with http or https protocol.

References

• MDN: String.prototype.test()