質問編集履歴
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追記
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@@ -13,4 +13,100 @@
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13
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'“', '★', '”', '–', '●', 'â', '►', '−', '¢', '²', '¬', '░', '¶', '↑', '±', '¿', '▾', '═', '¦', '║', '―', '¥', '▓', '—', '‹', '─', '\u3000', '\u202f',
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'▒', '：', '¼', '⊕', '▼', '▪', '†', '■', '’', '▀', '¨', '▄', '♫', '☆', 'é', '¯', '♦', '¤', '▲', 'è', '¸', '¾', 'Ã', '⋅', '‘', '∞', '«',
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15
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'∙', '）', '↓', '、', '│', '（', '»', '，', '♪', '╩', '╚', '³', '・', '╦', '╣', '╔', '╗', '▬', '❤', 'ï', 'Ø', '¹', '≤', '‡', '√', ]
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```
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### 追記
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頂いた回答をもとに、次のように実行したところこのようなエラーが出ました。
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position17というのは、punctsの17個目にエラーの原因があるということでしょうか？
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```python
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puncts= r',|.|"|:|)|(|-|!|?|;|""|$|&|/|[|]|\>|%|=|#|*|+|\|•|~|@|£|·|_|{|}|©|^|®|`|<|→|°|€|™|›|♥|←|×|§|″|′|Â|█|½|à|…|\n|\xa0|\t|“|★|”|–|●|â|►|−|¢|²|¬|░|¶|↑|±|¿|▾|═|¦|║|―|¥|▓|—|‹|─|\u3000|\u202f|▒|：|¼|⊕|▼|▪|†|■|’|▀|¨|▄|♫|☆|é|¯|♦|¤|▲|è|¸|¾|Ã|⋅|‘|∞|«|∙|）|↓|、|│|（|»|||♪|╩|╚|³|・|╦|╣|╔|╗|▬|❤|ï|Ø|¹|≤|‡|√'
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def puncts_rm(s):
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return re.sub(puncts, '', s)
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(省略)
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df["title2"] = df["title2"].apply(puncts_rm)
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print(df["title2"])
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```
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```
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(省略)
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10 df["title2"] = df["title2"].apply(puncts_rm)
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11 print(df["title2"])
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~\anaconda3\lib\site-packages\pandas\core\series.py in apply(self, func, convert_dtype, args, **kwds)
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3589 else:
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3590 values = self.astype(object).values
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-> 3591 mapped = lib.map_infer(values, f, convert=convert_dtype)
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3592
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3593 if len(mapped) and isinstance(mapped[0], Series):
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pandas\_libs\lib.pyx in pandas._libs.lib.map_infer()
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<ipython-input-84-2b440d6a84a2> in puncts_rm(s)
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1 def puncts_rm(s):
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----> 2 return re.sub(puncts, '', s)
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3
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4 def html_tags_rm(s):
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5 return re.sub(html_tags, '', s)
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~\anaconda3\lib\re.py in sub(pattern, repl, string, count, flags)
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190 a callable, it's passed the Match object and must return
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191 a replacement string to be used."""
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--> 192 return _compile(pattern, flags).sub(repl, string, count)
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193
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194 def subn(pattern, repl, string, count=0, flags=0):
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~\anaconda3\lib\re.py in _compile(pattern, flags)
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284 if not sre_compile.isstring(pattern):
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285 raise TypeError("first argument must be string or compiled pattern")
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--> 286 p = sre_compile.compile(pattern, flags)
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287 if not (flags & DEBUG):
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288 if len(_cache) >= _MAXCACHE:
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~\anaconda3\lib\sre_compile.py in compile(p, flags)
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762 if isstring(p):
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763 pattern = p
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--> 764 p = sre_parse.parse(p, flags)
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765 else:
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766 pattern = None
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~\anaconda3\lib\sre_parse.py in parse(str, flags, pattern)
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922
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923 try:
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--> 924 p = _parse_sub(source, pattern, flags & SRE_FLAG_VERBOSE, 0)
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925 except Verbose:
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926 # the VERBOSE flag was switched on inside the pattern. to be
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~\anaconda3\lib\sre_parse.py in _parse_sub(source, state, verbose, nested)
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418 while True:
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419 itemsappend(_parse(source, state, verbose, nested + 1,
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--> 420 not nested and not items))
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421 if not sourcematch("|"):
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422 break
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~\anaconda3\lib\sre_parse.py in _parse(source, state, verbose, nested, first)
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808 sub_verbose = ((verbose or (add_flags & SRE_FLAG_VERBOSE)) and
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809 not (del_flags & SRE_FLAG_VERBOSE))
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--> 810 p = _parse_sub(source, state, sub_verbose, nested + 1)
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811 if not source.match(")"):
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812 raise source.error("missing ), unterminated subpattern",
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~\anaconda3\lib\sre_parse.py in _parse_sub(source, state, verbose, nested)
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418 while True:
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419 itemsappend(_parse(source, state, verbose, nested + 1,
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--> 420 not nested and not items))
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421 if not sourcematch("|"):
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422 break
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~\anaconda3\lib\sre_parse.py in _parse(source, state, verbose, nested, first)
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643 if not item or item[0][0] is AT:
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644 raise source.error("nothing to repeat",
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--> 645 source.tell() - here + len(this))
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646 if item[0][0] in _REPEATCODES:
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647 raise source.error("multiple repeat",
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error: nothing to repeat at position 17
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```
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