N/format/i18n Module
format.PhoneNumberParser
Object Description: The object that parses the string with the phone number to an object.
Supported Script Types: Client and server-side scripts For more information, see SuiteScript 2.0 Script Types.
Module: N/format/i18n Module
Methods and Properties: Phone Number Parser Object Members
Since: 2020.2
Search NetSuite - https://system.netsuite.com/app/help/helpcenter.nl?search=format.PhoneNumberParser

// Code Example 1

// Add additional code

//...

require(['N/format/i18n'],

    function(format) {

        var pnParser = format.getPhoneNumberParser({

            defaultCountry: format.Country.CZECH_REPUBLIC

        });

        var origPhoneNumberStr = "602547854ext.154";

        var phoneNumber = pnParser.parse({

            number: origPhoneNumberStr

        });

        log.debug(origPhoneNumberStr);

        log.debug(phoneNumber.countryCode);

        log.debug(phoneNumber.extension);

        log.debug(phoneNumber.nationalNumber);

        log.debug(phoneNumber.numberOfLeadingZeros);

        log.debug(phoneNumber.carrierCode);

        log.debug(phoneNumber.rawInput);

    });

//...

// Add additional code



//SOURCE: https://system.netsuite.com/app/help/helpcenter.nl?fid=section_158627095342.html