old_contents: import re
  from .utils import validator
  
  
  regex = (
      r'^[a-z]+://([^/:]+{tld}|([0-9]{{1,3}}\.)'
      r'{{3}}[0-9]{{1,3}})(:[0-9]+)?(\/.*)?$'
  )
  
  pattern_with_tld = re.compile(regex.format(tld=r'\.[a-z]{2,10}'))
  pattern_without_tld = re.compile(regex.format(tld=''))
  
  
  @validator
  def url(value, require_tld=True):
      """
      url
      ---
  
      Returns whether or not given value is a valid URL. If the value is
      valid URL this function returns ``True``, otherwise
      :class:`~validators.utils.ValidationFailure`.
  
      This validator is based on `WTForms URL validator`_.
  
      .. _WTForms URL validator:
         https://github.com/wtforms/wtforms/blob/master/wtforms/validators.py
  
      Examples::
  
          >>> import validators
  
          >>> assert validators.url('http://foobar.dk')
  
          >>> assert validators.url('http://localhost/foobar', require_tld=False)
  
          >>> assert not validators.url('http://foobar.d')
  
      .. versionadded:: 0.2
  
      :param value: URL address string to validate
      """
  
      if require_tld:
          return pattern_with_tld.match(value)
      return pattern_without_tld.match(value)
  
new_contents: import re
  from .utils import validator
  
  
  regex = (
      r'^[a-z]+://([^/:]+{tld}|([0-9]{{1,3}}\.)'
      r'{{3}}[0-9]{{1,3}})(:[0-9]+)?(\/.*)?$'
  )
  
  pattern_with_tld = re.compile(regex.format(tld=r'\.[a-z]{2,10}'))
  pattern_without_tld = re.compile(regex.format(tld=''))
  
  
  @validator
  def url(value, require_tld=True):
      """
      Returns whether or not given value is a valid URL. If the value is
      valid URL this function returns ``True``, otherwise
      :class:`~validators.utils.ValidationFailure`.
  
      This validator is based on `WTForms URL validator`_.
  
      .. _WTForms URL validator:
         https://github.com/wtforms/wtforms/blob/master/wtforms/validators.py
  
      Examples::
  
          >>> import validators
  
          >>> assert validators.url('http://foobar.dk')
  
          >>> assert validators.url('http://localhost/foobar', require_tld=False)
  
          >>> assert not validators.url('http://foobar.d')
  
      .. versionadded:: 0.2
  
      :param value: URL address string to validate
      """
  
      if require_tld:
          return pattern_with_tld.match(value)
      return pattern_without_tld.match(value)
  
subject: Remove unnecessary heading from docstring