old_contents: '''
  Project: Farnsworth
  
  Author: Karandeep Singh Nagra
  
  A collection of functions used elsewhere in Farnsworth.
  '''
  
  import re
  
  def verify_username(username):
  	''' Verify a potential username.
  	Parameters:
  		username is the potential username
  	Returns True if username contains only characters a through z, A through Z, 0 through 9, the underscore or hyphen character; returns false otherwise.
  	'''
  	return not bool(re.compile(r'[^a-zA-Z0-9_\-]').search(username))
  
  def verify_name(name):
  	''' Verify a potential first or last name.
  	Parameters:
  		name is the potential first or last name
  	Returns True if name doesn't contain ", <, >, &, ; returns false otherwise.
  	'''
  	return bool(re.compile(r"[^a-zA-Z']").search(name))
  
  def verify_url(potential_url):
  	''' Verify that potential_url can be converted to a URL by lowercasing and replacing characters as specified in convert_to_url.
  	Parameters:
  		potential_url is a potential name, title, etc. to be used in a URL.
  	Returns True if potential_url only contains characters a through z, A through Z, 0 through 9, space, or selected other characters.
  	'''
  	return not bool(re.compile(r"[^a-zA-Z0-9 _&'?$^%@!#*()=+;:|/.,]").search(potential_url))
  
  def convert_to_url(actual):
  	''' Convert a string into a URL-usable word.
  	Parameters:
  		actual is a string to be converted into a URL-usable word.
  	Returns a string after the following operations:
  		lowercase name
  		replace the space character by underscore
  		remove the characters '?$^%@!#*()=+\;:/.,
  		replace the character & by the string 'and'
  	'''
  	return re.sub("['?$^%@!#*()=+;:|/.,]", '', actual.lower().replace(' ', '_').replace('&', 'and'))
  
new_contents: '''
  Project: Farnsworth
  
  Author: Karandeep Singh Nagra
  
  A collection of functions used elsewhere in Farnsworth.
  '''
  
  import re
  
  def verify_username(username):
  	''' Verify a potential username.
  	Parameters:
  		username is the potential username
  	Returns True if username contains only characters a through z, A through Z, 0 through 9, the underscore or hyphen character; returns false otherwise.
  	'''
  	return not bool(re.compile(r'[^a-zA-Z0-9_\-]').search(username))
  
  def verify_name(name):
  	''' Verify a potential first or last name.  Currently not used as it is Anglo-centric.
  	Parameters:
  		name is the potential first or last name
  	Returns True if name doesn't contain ", <, >, &, ; returns false otherwise.
  	'''
  	return bool(re.compile(r"[^a-zA-Z']").search(name))
  
  def verify_url(potential_url):
  	''' Verify that potential_url can be converted to a URL by lowercasing and replacing characters as specified in convert_to_url.
  	Parameters:
  		potential_url is a potential name, title, etc. to be used in a URL.
  	Returns True if potential_url only contains characters a through z, A through Z, 0 through 9, space, or selected other characters.
  	'''
  	return not bool(re.compile(r"[^a-zA-Z0-9 _&'?$^%@!#*()=+;:|/.,\-]").search(potential_url))
  
  def convert_to_url(actual):
  	''' Convert a string into a URL-usable word.
  	Parameters:
  		actual is a string to be converted into a URL-usable word.
  	Returns a string after the following operations:
  		lowercase name
  		replace the space character by underscore
  		remove the characters '?$^%@!#*()=+\;:/.,
  		replace the character & by the string 'and'
  	'''
  	return re.sub("['?$^%@!#*()=+;:|/.,]", '', actual.lower().replace(' ', '_').replace('&', 'and'))
  
subject: Update funcs.py