[ruby-core:63366] [ruby-trunk - Bug #9882] Issue with hash string keys

Issue #9882 has been updated by Usaku NAKAMURA.

Backport changed from 2.0.0: REQUIRED, 2.1: REQUIRED to 2.0.0: DONE, 2.1: REQUIRED

backported into `ruby_2_0_0` at r46584.

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Bug #9882: Issue with hash string keys
https://bugs.ruby-lang.org/issues/9882#change-47417

* Author: Tim Oommen
* Status: Closed
* Priority: Normal
* Assignee: 
* Category: core
* Target version: 
* ruby -v: 2.1.1p76
* Backport: 2.0.0: DONE, 2.1: REQUIRED
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I have the following code. In a nutshell i am slicing a string to pull out strings to use as keys in a hash. However when running the following code, I am getting odd results.

~~~ruby
context = "Marriott International World’s Most ADMIRED Lodging Company by FORTUNE for 14th yr. via @FortuneMagazine http://cnnmon.ie/1kcFZSQ"
slice_url = context.slice(105,24)
str = "http://cnnmon.ie/1kcFZSQ"
slice_url == str
redirects = {"http://cnnmon.ie/1kcFZSQ"=>"http://money.cnn.com/2014/02/06/leadership/marriott-hotels.pr.fortune"}
redirects.key?(slice_url)
redirects.key?(str)
~~~

The `slice_url` and `str` are equal, however when I look for the key in redirects with `slice_url` I get a `nil`, but when setting the string variable manually, I get a match and value.  I am not sure if this is an issue with the value returned by the string slice method or an issue with the hash. 



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