examples of escaped strings in ruby

string_escapes.rb

# String escapes:
#
# \a Bell/alert (0x07) 
# \b Backspace (0x08) 
# \e Escape (0x1b) 
# \f Formfeed (0x0c) 
# \n Newline (0x0a) 
# \r Return (0x0d) 
# \s Space (0x20) 
# \t Tab (0x09)
# \v Vertical tab (0x0b) 
# \nnn Octal nnn
# \xnn Hex nn
# \cx Control-x 
# \C-x Control-x 
# \M-x Meta-x 
# \M-\C-x Meta-control-x 
# \x x 

# see http://www.csgnetwork.com/asciiset.html
# halfway down the page is some mappings of
# various control characters to octal

puts "abc"               # => "abc"
puts "\141\142\143"      # => "abc" in octal

puts "\cx\C-x".inspect   # => "\030\030"
puts "\030\030".inspect  # => "\030\030"