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regexp: panics with malformed expression #16574

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jnewlin12345 opened this issue Aug 2, 2016 · 3 comments
Closed

regexp: panics with malformed expression #16574

jnewlin12345 opened this issue Aug 2, 2016 · 3 comments

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@jnewlin12345
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@jnewlin12345 jnewlin12345 commented Aug 2, 2016

Please answer these questions before submitting your issue. Thanks!

  1. What version of Go are you using (go version)?
    1.6.2
  2. What operating system and processor architecture are you using (go env)?
    play.golang.org
  3. What did you do?
    https://play.golang.org/p/d8aVBAeFjc
  4. What did you expect to see?
    An error that the regexp is malformed?
  5. What did you see instead?
    panic
@jnewlin12345
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@jnewlin12345 jnewlin12345 commented Aug 2, 2016

Here's another panic, I sort of expected this to work
https://play.golang.org/p/9RTKkTe7o_

@fraenkel
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@fraenkel fraenkel commented Aug 2, 2016

In both cases you aren't checking the error coming back from Compile which are non-nil.

@bradfitz
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@bradfitz bradfitz commented Aug 2, 2016

Not a bug. Check your errors.
https://play.golang.org/p/xqUuc-HSMB

@bradfitz bradfitz closed this Aug 2, 2016
@golang golang locked and limited conversation to collaborators Aug 2, 2017
@mikioh mikioh changed the title regexp panics with malformed expression regexp: panics with malformed expression Aug 3, 2017
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