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Merge pull request #12167 from hannesfostie/grammar-improvement

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[ci skip] Improves a sentence in guides/security
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Steve Klabnik 2013-09-09 08:22:21 -07:00
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guides/source/security.md
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@ -481,7 +481,7 @@ A good password is a long alphanumeric combination of mixed cases. As this is qu
INFO: _A common pitfall in Ruby's regular expressions is to match the string's beginning and end by ^ and $, instead of \A and \z._
Ruby uses a slightly different approach than many other languages to match the end and the beginning of a string. That is why even many Ruby and Rails books make this wrong. So how is this a security threat? Say you wanted to loosely validate a URL field and you used a simple regular expression like this:
Ruby uses a slightly different approach than many other languages to match the end and the beginning of a string. That is why even many Ruby and Rails books get this wrong. So how is this a security threat? Say you wanted to loosely validate a URL field and you used a simple regular expression like this:
```ruby
/^https?:\/\/[^\n]+$/i