在观察到的错误中,有一个显著的异常日志,如下所示: Traceback(most recent call last):File"example.py",line12,in<module>result=re.match(pattern,text)File"/usr/lib/python3.8/re.py",line189,inmatchraiseerror("unbalanced parenthesis")re.
常见的匹配报错包括但不限于: re.error: unbalanced parenthesis re.error: unterminated character set re.error: nothing to repeat re.error: bad escape \ sequence 这些报错信息通常是由于我们在编写正则表达式时出现了错误,例如括号不匹配、字符集未闭合、重复次数不正确等。当Python解释器遇到这些错误时,将会抛出...
error("unbalanced parenthesis") if flags & SRE_FLAG_DEBUG: p.dump() return p def _parse_sub(source, state, verbose, nested): items = [] itemsappend = items.append sourcematch = source.match start = source.tell() while True: itemsappend(_parse(source, state, verbose, nested + 1, ...
Every opening parenthesis has a corresponding closing parentheses. Parentheses should be closed in the correct order. For example, "{[()]}" is a balanced parenthesis. condiser the same example with different arrangment "{([})]" which is unbalanced parantheses. Checking parentheses Using 'list...
#sre_constants.error: unbalanced parenthesis at position 26 #解决方案:第一个前面加个r,即r'<(?P<tag>\w+)>.*?<\\(?P=tag)>' 4.面对对象 classGoods:def__init__(self,name,price,number): self.__name=name self.price=price self.number=numberdefpay(self):print(self.__name)print(self...
You might restore the closing parenthesis now and try some different problems. Python syntax is based on indentation, so adding a space at the beginning of the line will cause an indentation error that the Assistant will help you troubleshoot. ...
sre_constants.error: unbalanced parenthesis at position 89 这个是下载一张的,没找出来错误,程序不能正常运行!!! 爬取网页百度贴吧的内容: import urllib.request import re import os #os模块可以控制文件输入输出,这里用它可以新建文件夹 os.mkdir("d://message") #mkdir()方法,可以在它下面新建文件夹,使用...
If you receive an error message about “missing )” or “unbalanced parenthesis,” you may have forgotten to include the closing unescaped parenthesis for a group, like in this example:>>> re.compile(r'(\(Parentheses\)') Traceback (most recent call last): --snip-- re.error: missing )...
本文搜集整理了关于python中datastructures Stack push方法/函数的使用示例。 Namespace/Package: datastructures Class/Type: Stack Method/Function: push 导入包: datastructures 每个示例代码都附有代码来源和完整的源代码,希望对您的程序开发有帮助。 示例1 def checkPar(s): ''' check balanced parenthesis Args: ...
= ')': raise ValueError('unbalanced parenthesis in plural form') elif nexttok == 'n': result = '%s%s' % (result, nexttok) else: try: value = int(nexttok, 10) except ValueError: raise _error(nexttok) from None result = '%s%d' % (result, value) nexttok = next(tokens) j = ...