N/format Module
format.parse()
Method Description: Parses a value from the appropriate preference format to its raw value. The appropriate preference format is the one selected in the Date Format field at Home > Set Preferences. For a datetime or datetimetz value, use this method to convert a Date Object into a string based on the specified timezone. This method is overloaded when you format a datetime or datetimetz value.
Returns: Datetime or datetimetz values are returned as a Date Object. If the value given is not valid or parsable, the original value passed to options.value is returned.
Supported Script Types: Client and server-side scripts For more information, see SuiteScript 2.0 Script Types
Governance: None
Module: N/format Module
Since: 2015.2
Search NetSuite - https://system.netsuite.com/app/help/helpcenter.nl?search=format.parse(options)

// Code Example 1

// Add additional code

//...

    function(format){

         function parseToValue() {

              // Assume number format is 1.000.000,00 and negative format is -100

              var formattedNum = "-20.000,25"

              return format.parse({value:formattedNum, type: format.Type.FLOAT})

              }

         var rawNum = parseToValue(); // -20000.25 -- a number

//...

// Add additional code



//SOURCE: https://system.netsuite.com/app/help/helpcenter.nl?fid=section_4388837989.html