strip_control_characters = lambda s:"".join(i for i in s if 31<ord(i)<127)

def strip_control_characters(str_input):  if str_input:  import re  # unicode invalid characters  RE_XML_ILLEGAL = u'([/u0000-/u0008/u000b-/u000c/u000e-/u001f/ufffe-/uffff])' + /   u'|' + /   u'([%s-%s][^%s-%s])|([^%s-%s][%s-%s])|([%s-%s]$)|(^[%s-%s])' % /   (unichr(0xd800),unichr(0xdbff),unichr(0xdc00),unichr(0xdfff),     unichr(0xd800),unichr(0xdbff),unichr(0xdc00),unichr(0xdfff),     unichr(0xd800),unichr(0xdbff),unichr(0xdc00),unichr(0xdfff),     )  str_input = re.sub(RE_XML_ILLEGAL, "", input)  # ascii control characters  str_input = re.sub(r"[/x01-/x1F/x7F]", "", input)  return str_input

import re def remove_control_chars(s): control_chars = ''.join(map(unichr, range(0,32) + range(127,160))) control_char_re = re.compile('[%s]' % re.escape(control_chars))  return control_char_re.sub('', s) cleaned_json = remove_control_chars(original_json)obj = simplejson.loads(cleaned_json)