Python remove chinese punctuation. It seems like regex would be the best option for this. Using regexes, you can use r"\w" (compiled with the re. 文章浏览阅读6. Punctuation is anything in the string. This is the first step to making a text more readable for text analysis tools. With clear examples and explanations, you'll enhance your text processing skills in Python. One way to go about this, then, is to tokenize on gaps like so: For Chinese words: 上海，北京、武汉；重庆。欢迎你！你好, I want to replace Chinese punctuation with comma, how can I do that using regex in Python? I want Python to remove only some punctuation from a string, let's say I want to remove all the punctuation except '@' import string remove = dict. punctuation), we can quickly remove all punctuation characters. maketrans({key: None for key in string. Here is how to remove punctuation in Python, and further showcase a practical application exemplifying the impact of this preprocessing step. hanzi； zhon. This blog will explore different ways to achieve this in Python. This method is very fast but only works well when the characters to be removed are predefined. Oftentimes the need arises to remove punctuation during text clea. One of the basic operations in text processing is removing punctuation from strings. punctuation 获取了所有的标点符号。然后定义了一个 strip_punctuation 函数，使用列表推导式和 not in 操作符来判断每个字符是否为标点符号，最后使用 join 方法将剩余的字符重新组合成一个新的字符串。最后，通过调用 strip_punctuation 函数来去除字符串中 Python Pool brings you an in-depth article on how to remove punctuation marks from a string, list, and file in Python with various examples. has_punctuation (u'这是麻烦啦') # check for any Chinese punctuation (full-stops, commas, quotation marks, etc) False >>> text. def remove_punctuations(text): for punctuation in string. Apr 15, 2016 · 9 Cuz most Chinese punctuations are unicode, we have to convert the string to unicode in order to remove Chinese punctuation. . punctuation, just concatenate string. 3w次，点赞18次，收藏64次。去除英文标点符号python的string模块下的 punctuation 包含所有的英文标点符号，所以用replace ()一下就可以去除。代码示例：import stringstri = 'today is friday, so happy. hanzi. has_punctuation (u'这是麻烦啦. 背景知识 （1）使用 zhon. 文章浏览阅读3k次。本文介绍了一种用于英文和中文文本预处理的方法，包括去除标点符号、数字和特定字符串，适用于NLP python字符串中去除中文标点符号的方法，##Python字符串中去除中文标点符号的方法在处理文本数据时，经常会遇到需要去除中文标点符号的情况。 中文标点符号在文本处理中往往不需要，因此需要将其去除。 下面介绍一种在Python中去除中文标点符号的方法。 I'm want to remove the chinese characters of a text or any other any character that isnt Latin i tried using encoding='UTF-8' but dont works Text Example: Um olhar maligno que só desejava a dest Using translate () translate () method removes or replaces specific characters in a string based on a translation table. I needed to strip the Chinese out of a bunch of strings today and was looking for a simple Python regex. Jan 29, 2025 · Learn how to remove punctuation from strings in Python using `str. Easily clean text with spaCy! Contribute to Ce11an/spacy-cleaner development by creating an account on GitHub. So how do we go about cleanly removing punctuation from strings in Python? In this comprehensive guide, you‘ll learn several methods to strip punctuation […] This article explores various methods to strip punctuation from a string in Python. Below I outline a common problem in the NLP domain and propose a few performant methods to solve it. Punctuation marks like commas, periods, exclamation points, etc. However, we should be very careful when we perform such tasks, depending on the project since punctuations can actually be very In this guide, we will explore various approaches to removing punctuation from strings using Python’s built-in libraries. We will check each character of the string using for loop. translate () Method Python provides a simple way to remove punctuation from strings by using the str. 1: Remove Punctuation using str. I don't want punctuation removed from words like 'you're', which is w In NLP projects, we used to remove punctuation from the text. punctuation`. cedict。 This is a self-answered post. Here is my python script. fromkeys (map (ord, '\n ' + string. 17 I have a list like ['hello', '', 'h3. punctuation)) However, it removes all punctuation including apostr How to remove punctuation from a Python String will help you improve your python skills with easy to follow examples and tutorials. 文章浏览阅读3. But punctuation marks like commas, periods, and question marks can sometimes get in the way of processing and analyzing text. Then I tried to remove punctuation so, I can merge them at the end. 1 Let's say my dataframe has column which is mixed with english and chinese words or characters, I would like to remove all the whitespaces between them if they're chinese words, otherwise if they're english, then keep one space only between words: I have found a solution for removing extra spaces between english from here I tried to check the Unicode but, doesn't work properly. sub('[\u0021-\u002f\u003a-\u0040\u005b-\u0060\u007b-\u007e\u00a1-\u00bf\u2000-\u206f\u2013-\u204a\u20a0-\u20bf\u2100-\u214f\u2150-\u218b\u2190-\u21ff\u2200-\u22ff\u2300-\u23ff\u2460-\u24ff\u2500-\u257f\u2580-\u259f\u25a0-\u25ff\u2600-\u26ff Detecting Chinese or Japanese characters in Python can be easily achieved using regular expressions or iterating over characters in the string. Learn How to remove punctuation in Python with code. maketrans () str. We can translations, replace, regex, and filter function to strip punctuations. sub函数。 The has_punctuation and contains_latin functions are useful for knowing whether you are really dealing with Chinese, or Chinese characters: >>> from mafan import text >>> text. maketrans ('', '', string. This includes examples for easy understanding Python divides sentences according to punctuation marks, removes punctuation marks, and judges whether the string contains Chinese Recently I was processing text and found that it is often used to segment sentences, remove punctuation, and determine whether the string contains Chinese. As in Python string literals, the backslash can be followed by various characters to signal various special sequences. ') Python如何去除文本中的中文标点？ Python去除文本中的中文标点可以使用正则表达式、字符串替换、分词处理等方法。 在这几种方法中，使用正则表达式是最为高效和灵活的方式。通过定义匹配中文标点符号的正则表达式模式，然后使用 re 模块中的 sub 函数进行替换，可以轻松去除文本中的中文标点 Background Information This article is the preliminary preparation for constructing Chinese word vectors, mainly to realize the word segmentation of Chinese text, and remove punctuation marks, English characters, numbers and other noise items in the word segmentation process, so that a relatively pure Chinese corpus after word segmentation can be obtained. 40 /4. The following approach will allow you to use punctuation as a marker to remove characters of the alphabet (as noted in your third requirement) before removing the punctuation altogether. processor. 2 I am working on a Chinese NLP project. translate ()`, `re. This solution answers OP's stated question, but beware that it won't remove non printable characters that are included in ASCII which I think is what OP intended to ask. Please refer to other answers for the detailed description. I have a Unicode string in Python, and I would like to remove all the accents (diacritics). translate () method combined with is str. I need to remove all punctuation characters except those characters between numbers and remain only Chinese character (\u4e00-\u9fff),alphanumeric characters (0-9a-zA-Z). # text = re. Whether we’re looking to preprocess multilingual text, detect specific languages, or filter certain character types, these methods provide a straightforward approach to handling CJK characters in our This program removes all punctuations from a string. zhuyin； zhon. translate(str. If the character is a punctuation, empty string is assigned to it. maketrans("", "", string. This library is created specifically for Traditional Chinese stopwords and punctuations removal. By removing `text_cleaner. I know that this is gunna be simple but im kinda noobie at python so Thanks, giodamelio 中文文本中可能出现的标点符号来源比较复杂，通过匹配等手段对他们处理的时候需要格外小心，防止遗漏。以下为在下处理中文标点的时候采用的两种方法: 中文标点集合 比较常见标点有这些： ！？｡＂＃＄％＆＇（）＊… I am trying to find a better way to remove punctuation from a string of text. I am trying to remove all the Chinese characters from the following string: x <- "2. !!!'punctuation_string = string. For example,the hyphen in 12-34 should be kept while the equal mark after 123 should be removed. * `CHINESE_ALL`: all CJK characters. I found an elegant way to do this (in Java): convert the Unicode string to its long normalized form (wit How to remove punctuation in python? Asked 7 years, 2 months ago Modified 2 years, 11 months ago Viewed 38k times I have a function that removes punctuation from a list of strings: def strip_punctuation(input): x = 0 for word in input: input[x] = re. 87Y 1282501 12电网MTN4 AAA 4. It’s also used to escape all the metacharacters so you can still match them in patterns; for example, if you need to match a [ or \, you can precede them with a backslash to remove their special meaning: \[ or \\. pinyin； zhon. This module contains methods and classes that we can search, match, and modify a string (text content) using regular expressions. sub ()`, and `string. punctuation with a string of characters you also want removed, like translator = str. 7k次，点赞3次，收藏25次。本文介绍了如何使用Python的string和zhon库来移除文本中的英文和中文标点符号，包括使用replace方法和正则表达式re. 8k次，点赞3次，收藏20次。该文介绍了在处理中文文本时如何有效地处理和去除标点符号，包括使用zhon库获取中文标点集合，利用正则表达式进行替换或去除，以及保留唯一标点的策略。此外，还提供了一个函数用于清洗标点，以及如何根据特定标点符号分割文本。 For the convenience of usage, I sum up the note of striping punctuation from a string in both Python 2 and Python 3. translate () with str. translate() method in combination with a translation table. punctuation)) sa I would like to replace (and not remove) all punctuation characters by " " in a string in Python. Sep 24, 2021 · Learn to use Python to remove punctuation from a string, including using translate, regular expressions, and more - and which way is fastest! Aug 28, 2025 · Remove Punctuation From a String in Python Use built-in translate, regex, or Unicode-aware options to strip punctuation from text cleanly. UNICODE flag if you're on Python 2). 在文本处理任务中，去除字符串中的标点符号是一个常见的操作。Python 作为一种功能强大且易于使用的编程语言，提供了多种方法来实现这一目的。本文将详细介绍在 Python 中去除字符串标点符号的基础概念、使用方法、常见实践以及最佳实践，帮助读者深入理解并高效运用相关技术。 二、中文文本去除标点符号 1. RESTRICT_URL How to define URLs is a complex problem. chinese`, Chinese processing: * `CHINESE_CHARACTER`: only common characters. * `CHINESE`: common characters + symbols and puntuations. Jul 12, 2025 · In this article, we will explore various methods to Remove Punctuations from a string. 30* 2000、" How can I do this? In this article, we are going to learn more about removing all special characters, punctuation and spaces from a string. NLP-Chinese text remove punctuation, Programmer Sought, the best programmer technical posts sharing site. 使用Python去除中文标点符号的方法有多种，包括使用正则表达式、字符串替换和第三方库等。最常用的方法有正则表达式、结合Unicode字符属性进行过滤、以及使用第三方库jieba进行分词处理。 在这里，我将详细介绍这三种方法，并提供示例代码。 一、使用正则表达式 正则表达式是一种强大的字符串 I found several topics of this and I found this solution: sentence=re. * `CHINESE_EXTENSION` * `CHINESE_COMPATIBILITY` * `CHINESE_SYMBOLS_AND_PUNCTUATION` ### URL vs. Working with text data is common in many applications of Python. , can sometimes interfere with the analysis or manipulation of text data. I need to remove all special characters, punctuation and spaces from a string so that I only have letters and numbers. Is there something efficient of the following flavour? text = text. That will include numbers as well as letters, but not punctuation. punctuation 函数实现。 （2）其中zhon是一个python库，它提供了在中文文本处理中常用的几个功能函数，一共包含四个模块： zhon. sub 函数将字符串中的中文标点替换为空字符串。其中， pattern 变量定义了一个正则表达式，用于匹配中文标点符号的Unicode范围。具体来说， [\u3000-\u303F] 表示CJK标点符号， [\uFF01-\uFF0F] 表示全角ASCII字符， [\uFF1A-\uFF20] 表示半角ASCII 上述代码首先导入了Python的string模块，并使用 string. maketrans () one of the fastest ways to remove punctuation from a string because it works directly with string translation tables. Any suggestions? Python 去掉中文标点符号，#Python去掉中文标点符号的实现方法##引言在文本处理和自然语言处理的任务中，经常会遇到需要去掉中文标点符号的需求。 中文标点符号包括但不限于句号、问号、逗号、叹号等。 本文将介绍如何使用Python实现去掉中文标点符号的方法。 In this post, I have explained how to import data into OpenRefine and how to write expressions to remove punctuation in Chinese text. sub(ur"[^\\P{P}'|-]+",'',sentence) This should remove every punctuation except ', the problem is it also strips everything else """ ## Brute-force version: list all possible unicode ranges, but this list is not complete. a', 'ds4,'] this should turn into ['hello', 'h3a', 'ds4'] and i want to remove only the punctuation leaving the letters and numbers intact. punctuation constant. punctuationprint ("所有的英文标点符号：", punctua_python去除英文标点符号 文章浏览阅读3. translate(string. 要去除文本中的中文标点符号，可以使用正则表达式、字符串替换、或者第三方库。 在实际应用中，使用正则表达式是最为常见和高效的方法，因为它能够精确定位并替换特定的字符。下面将详细介绍如何使用正则表达式的方法来去除文本中的中文标点符号。 一、正则表达式去除中文标点符号 正则 If you want to customize what gets stripped in addition to str. maketrans("", I need to use regex to strip punctuation at the start and end of a word. Currently I set up a for loop which checks each character individually… I am using the below "fastest" way of removing punctuation from a string: text = file_open. 上述代码中，我们定义了一个 remove_chinese_punctuation 函数，使用了 re. Removing these characters can be crucial for various applications such as text analysis, data normalization, and preparing data for machine learning models. Using str. Using Python re Module Through the re module, Python provides support for regular expressions. punctuation In Python, text processing is a common task in various applications such as data cleaning for machine learning, natural language processing, and text analysis. Learn how to use the string module, regular expressions, and string translation techniques to clean text effectively. punctuation + 'abc'}) if you wanted to remove punctuation and any occurrences of the characters a, b, or c. sub(r'[^A-Za-z0-9 ]', "", input[x]) Special characters, on the other hand, are symbols like punctuation marks, mathematical symbols, etc. In other words, this approach will remove *u* before stripping all punctuation. 4 I don't know of any good way to separate Chinese characters from other letters, but you can distinguish letters from other characters. It also includes NLTK's English stopwords and numbers if you are processing a hybrid of Chinese and English text data. tkpe, 9zi8w, m1hwxg, hpen, aeo7, wh0ido, pt3sap, mf9o, cnnsq, apks7c,