(?<user>[^@]+) @ (?<company>[^.]+) \. (?<top_level_domain>\w{2,4})

perl -pi -e 's/ipodder/juice/g' `git grep ipodder | gawk -F: '{print $1}' | sort | uniq`

perl -pi -e 's/,([^\)\]\},\s])/, \1/g' `find -name '*.py'`

for f in `find -name '*.py' | grep Juice`; do git mv $f `echo $f | tr [A-Z] [a-z]`.bak && git mv `echo $f | tr [A-Z] [a-z]`.bak `echo $f | tr [A-Z] [a-z]`; done

irb(main):027:0> h = Hash[*"41 => 1, 42 => 4".scan(/\d+/).collect{|i| i.to_i}]
=> {41=>1, 42=>4}

>>> l = range(1, 5)
>>> dict(zip(l[::2], l[1::2]))
{1: 2, 3: 4}
>>> dict(zip(*([iter(l)]*2)))
{1: 2, 3: 4}

$ sudo apt-get build-dep ruby1.8
$ wget -O- ftp://ftp.ruby-lang.org/pub/ruby/1.9/ruby-1.9.1-p376.tar.gz | tar zxv
$ cd ruby-1.9.1 && configure && make && sudo make install

with open("mydata.txt") as fp:
for line in iter(fp.readline, "STOP"):
    process_line(line)

>>> super
<type 'super'>

# ASCII space char
u"\u0020"
# HTML  
u"\u00A0"
# Chinese space char
u"\u3000"