What are the parameters for the number Pipe - Angular 2 code example

Example: What are the parameters for the number Pipe - Angular 2

{{ exampleNumber | number : '1.2-2' }}

Format: {minIntegerDigits}.{minFractionDigits}-{maxFractionDigits}

So example of '1.2-2' means:

    A minimum of 1 digit will be shown before decimal point
    It will show at least 2 digits after decimal point
    But not more than 2 digits