import re
formatString1 = "%-22s: %s" # string to format output
testString1 = "phone: 123-4567, e-mail: a@server.com"
expression1 = r"(\w+ \w+), phone: (\d{3}-\d{4}), e-mail: (\w+@\w+\.\w{3})"
formatString2 = "%-38s: %s" # string to format output
pathString = "/books/2001/python" # file path string
expression2 = "(/.+)/" # greedy operator expression
print formatString1 % ( "Greedy error",re.match( expression2, pathString ).group( 1 ) )
expression3 = "(/.+?)/" # non-greedy operator expression
print formatString1 % ( "No error, base only",re.match( expression3, pathString ).group( 1 ) )