Unterminated character class (RegExp issue)

[pnemi]

I have an issue with nspell, it yields "unterminated char class" in node_modules/nspell/lib/util/affix.js:300:10.

/node_modules/nspell/lib/util/affix.js:300
return new RegExp(source + C_DOLLAR);
^

SyntaxError: Invalid regular expression: /[aeiouyáéíóúýůěr][^aeiouyáéíóúýůěrl][^aeiouy$/: Unterminated character class
at new RegExp ()
at end (/node_modules/nspell/lib/util/affix.js:300:10)
at affix (/node_modules/nspell/lib/util/affix.js:210:59)
at new NSpell (/node_modules/nspell/lib/index.js:50:9)
at NSpell (/node_modules/nspell/lib/index.js:26:12)
at dictionary ([stdin]:12:18)
at /node_modules/dictionary-cs/index.js:21:9
at FSReqWrap.readFileAfterClose [as oncomplete] (fs.js:528:3)

[wooorm]

It looks like a bug in dictionary-cs. It includes this line:

SFX A   nout        l          [aeiouyáéíóúýůěr][^aeiouyáéíóúýůěrl][^aeiouy

...which is broken.