bbatsov/rails-style-guide — pull request #66 by artemeff (2013-04-12 15:59:16+00:00)
Title: SQL Injection teachers

[ruby regular expressions](https://github.com/bbatsov/ruby-style-guide#regular-expressions)

```ruby
string = "some injection\nusername"
string[/^username$/] # matches
string[/\Ausername\z/] # don't match
```