#!/usr/bin/env python
     # encoding: utf-8
     #
     # Copyright (c) 2010 Doug Hellmann.  All rights reserved.
     #
     """Anchoring the search
     """
     #end_pymotw_header
     
     from re_test_patterns import test_patterns
     
     test_patterns('This is some text -- with punctuation.',
                   [ r'^\w+',     # word at start of string
                     r'\A\w+',    # word at start of string
                     r'\w+\S*$',  # word at end of string, with optional punctuation
                     r'\w+\S*\Z', # word at end of string, with optional punctuation
                     r'\w*t\w*',  # word containing 't'
                     r'\bt\w+',   # 't' at start of word
                     r'\w+t\b',   # 't' at end of word
                     r'\Bt\B',    # 't', not start or end of word
                     ])