python, re.error: multiple repeat at position 14

1)

  File "E:\Program Files\anaconda20230531\lib\sre_parse.py", line 672, in _parse
    raise source.error("multiple repeat",
re.error: multiple repeat at position 14

2)代码

matches2 = re.findall(r'[a-zA-Z|_]+\d*+[a-zA-Z|_]*+\d*+[a-zA-Z|_]*+\d*', ss)

3)

原因分析:

pattern : 正则中的模式字符串中出现了特殊字符,例如*+?{m}{m,n}

4)改成:

matches2 = re.findall(r'[a-zA-Z|_]+\d*[a-zA-Z|_]*d*[a-zA-Z|_]*\d*', ss)

Internal Server Error: /sms/send/ Traceback (most recent call last): File "C:\Users\Kerr\Desktop\dingdan\venv\lib\site-packages\django\core\handlers\exception.py", line 55, in inner response = get_response(request) File "C:\Users\Kerr\Desktop\dingdan\venv\lib\site-packages\django\core\handlers\base.py", line 197, in _get_response response = wrapped_callback(request, *callback_args, **callback_kwargs) File "C:\Users\Kerr\Desktop\dingdan\web\views\account.py", line 139, in sms_send if not form.is_valid(): File "C:\Users\Kerr\Desktop\dingdan\venv\lib\site-packages\django\forms\forms.py", line 201, in is_valid return self.is_bound and not self.errors File "C:\Users\Kerr\Desktop\dingdan\venv\lib\site-packages\django\forms\forms.py", line 196, in errors self.full_clean() File "C:\Users\Kerr\Desktop\dingdan\venv\lib\site-packages\django\forms\forms.py", line 433, in full_clean self._clean_fields() File "C:\Users\Kerr\Desktop\dingdan\venv\lib\site-packages\django\forms\forms.py", line 445, in _clean_fields value = field.clean(value) File "C:\Users\Kerr\Desktop\dingdan\venv\lib\site-packages\django\forms\fields.py", line 200, in clean self.run_validators(value) File "C:\Users\Kerr\Desktop\dingdan\venv\lib\site-packages\django\forms\fields.py", line 185, in run_validators v(value) File "C:\Users\Kerr\Desktop\dingdan\venv\lib\site-packages\django\core\validators.py", line 52, in __call__ regex_matches = self.regex.search(str(value)) File "C:\Users\Kerr\Desktop\dingdan\venv\lib\site-packages\django\utils\functional.py", line 266, in inner self._setup() File "C:\Users\Kerr\Desktop\dingdan\venv\lib\site-packages\django\utils\functional.py", line 419, in _setup self._wrapped = self._setupfunc() File "C:\Users\Kerr\Desktop\dingdan\venv\lib\site-packages\django\utils\regex_helper.py", line 348, in _compile return re.compile(regex, flags) File "C:\python_3.9.1\lib\re.py", line 252, in compile return _compile(pattern, flags) File "C:\python_3.9.1\lib\re.py", line 304, in _compile p = sre_compile.compile(pattern, flags) File "C:\python_3.9.1\lib\sre_compile.py", line 764, in compile p = sre_parse.parse(p, flags) File "C:\python_3.9.1\lib\sre_parse.py", line 948, in parse p = _parse_sub(source, state, flags & SRE_FLAG_VERBOSE, 0) File "C:\python_3.9.1\lib\sre_parse.py", line 443, in _parse_sub itemsappend(_parse(source, state, verbose, nested + 1, File "C:\python_3.9.1\lib\sre_parse.py", line 671, in _parse raise source.error("multiple repeat", re.error: multiple repeat at position 12 [11/Oct/2025 18:00:56] "POST /sms/send/ HTTP/1.1" 500 141019 Internal Server Error: /sms/send/ Traceback (most recent call last): File "C:\Users\Kerr\Desktop\dingdan\venv\lib\site-packages\django\core\handlers\exception.py", line 55, in inner response = get_response(request) File "C:\Users\Kerr\Desktop\dingdan\venv\lib\site-packages\django\core\handlers\base.py", line 197, in _get_response response = wrapped_callback(request, *callback_args, **callback_kwargs) File "C:\Users\Kerr\Desktop\dingdan\web\views\account.py", line 139, in sms_send if not form.is_valid(): File "C:\Users\Kerr\Desktop\dingdan\venv\lib\site-packages\django\forms\forms.py", line 201, in is_valid return self.is_bound and not self.errors File "C:\Users\Kerr\Desktop\dingdan\venv\lib\site-packages\django\forms\forms.py", line 196, in errors self.full_clean() File "C:\Users\Kerr\Desktop\dingdan\venv\lib\site-packages\django\forms\forms.py", line 433, in full_clean self._clean_fields() File "C:\Users\Kerr\Desktop\dingdan\venv\lib\site-packages\django\forms\forms.py", line 445, in _clean_fields value = field.clean(value) File "C:\Users\Kerr\Desktop\dingdan\venv\lib\site-packages\django\forms\fields.py", line 200, in clean self.run_validators(value) File "C:\Users\Kerr\Desktop\dingdan\venv\lib\site-packages\django\forms\fields.py", line 185, in run_validators v(value) File "C:\Users\Kerr\Desktop\dingdan\venv\lib\site-packages\django\core\validators.py", line 52, in __call__ regex_matches = self.regex.search(str(value)) File "C:\Users\Kerr\Desktop\dingdan\venv\lib\site-packages\django\utils\functional.py", line 266, in inner self._setup() File "C:\Users\Kerr\Desktop\dingdan\venv\lib\site-packages\django\utils\functional.py", line 419, in _setup self._wrapped = self._setupfunc() File "C:\Users\Kerr\Desktop\dingdan\venv\lib\site-packages\django\utils\regex_helper.py", line 348, in _compile return re.compile(regex, flags) File "C:\python_3.9.1\lib\re.py", line 252, in compile return _compile(pattern, flags) File "C:\python_3.9.1\lib\re.py", line 304, in _compile p = sre_compile.compile(pattern, flags) File "C:\python_3.9.1\lib\sre_compile.py", line 764, in compile p = sre_parse.parse(p, flags) File "C:\python_3.9.1\lib\sre_parse.py", line 948, in parse p = _parse_sub(source, state, flags & SRE_FLAG_VERBOSE, 0) File "C:\python_3.9.1\lib\sre_parse.py", line 443, in _parse_sub itemsappend(_parse(source, state, verbose, nested + 1, File "C:\python_3.9.1\lib\sre_parse.py", line 671, in _parse raise source.error("multiple repeat", re.error: multiple repeat at position 12 [11/Oct/2025 18:01:00] "POST /sms/send/ HTTP/1.1" 500 141019
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