nl_tokens: Extracts ranges from the range string .
pl_tokens: function getRange ( text ) { const range = text . match ( / \d+ / g ) . map ( Number ) ; if ( Number . isFinite ( range [ 1 ] ) && <mask> [ 1 ] < range [ 0 ] ) { throw new SyntaxError ( ` ${ text } ` ) ; } return range ; }