From: Kam-Hung Soh <kamhung.soh@...>
Date: 2008-05-27T14:44:20+09:00
Subject: Re: What is ?E in str.index(?E)...

askingagain wrote:
> Dear all
>     I am learning Ruby. "The Ruby Way" has following example.
> 
> irb(main):047:0> str = "Albert Einstein"
> => "Albert Einstein"
> irb(main):048:0> str.index(?E)
> => 7
> irb(main):049:0> str1 = "mathematics"
> => "mathematics"
> irb(main):050:0> flag1 = str1.include? ?e
> => true
> irb(main):051:0>
> 
> What is ?E
> 
> (Does ? above work like shell globbing?)
> 
> I tried the FAQ online but could not get anything..
> 
> TIA for any pointers/online help
> 
> -- thx atul

See: http://www.ruby-doc.org/docs/ProgrammingRuby/html/tut_stdtypes.html

"You can also get the integer value corresponding to an ASCII character 
or escape sequence by preceding it with a question mark."

-- 
Kam-Hung Soh <a href="http://kamhungsoh.com/blog">Software Salariman</a>