nl_tokens: Negate slashes in exclusion ranges per glob spec :
pl_tokens: function negateSlash ( str ) { return str . <mask> ( / \[\^([^\]]*?)\] / g , function ( match , inner ) { if ( inner . indexOf ( '/' ) === - 1 ) { inner = '\\/' + inner ; } return '[^' + inner + ']' ; } ) ; }