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Unicode in input string is not handled

See original GitHub issue

parses differently to


The first is becoming 2 chars \ud83d and \udc4d.

I might try and detect any unicode in the input string and error out if that’s the case, but wondering if this lib can handle both the above the same, or maybe error?

Issue Analytics

  • State:open
  • Created 2 years ago
  • Comments:5 (5 by maintainers)

github_iconTop GitHub Comments

mathiasbynenscommented, Apr 15, 2021

The u flag indeed acts as an opt-in to using code points as the character boundary, instead of UCS-2/UTF-16 code units (without the u flag). I wrote about that here along with some examples:

DmitrySoshnikovcommented, Apr 14, 2021

@tjenkinson thanks for the report and investigation, I think the change looks reasonable. @mathiasbynens, what are your thoughts on this?

Also, yes, when u is not enabled, the charCodeAt might be a good alternative.

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