chinese_characters = re.findall(r'[\u4e00-\u9fff]', text) print(''.join(chinese_characters)) 在这个例子中,我们使用正则表达式来匹配字符串中所有的汉字,并将其提取出来。 三、使用第三方库 一些第三方库可以帮助我们更方便地处理汉字。例如,pypinyin库可以用于汉字的拼音转换,而jieba可以用于中文分词。 1...
importre defis_in(full_str,sub_str):ifre.findall(sub_str,full_str):returnTrueelse:returnFalseprint(is_in("hello, python","llo"))# Trueprint(is_in("hello, python","lol"))# False 你平常会用哪种方法呢?或者你还有其他写法?欢迎在留言中给出。 作者:写代码的明哥 来源:Python编程时光 _往...
Note that filter(function, iterable) is equivalent to [item for item in iterable if function(item)] str.isalpha() Return true if all characters in the string are alphabetic and there is at least one character, false otherwise. 本章小结 ...
print(s.capitalize()) 1. 2.title()方法 ''' title() 方法: Return a version of the string where each word is titlecased.--> 返回一个字符串,其中每个单词的首字母大写 More specifically, words start with uppercased characters and all remaining cased characters have lower case. --> 更具体的...
ascii_letters -- a string containing all ASCII letters digits -- a string containing all ASCII decimal digits hexdigits -- a string containing all ASCII hexadecimal digits octdigits -- a string containing all ASCII octal digits punctuation -- a string containing all ASCII punctuation characters ...
Print Unicode Characters Write a Python program to print Unicode characters. Sample Solution: Python Code: # Create a Unicode string by specifying each character's Unicode escape sequence.str=u'\u0050\u0079\u0074\u0068\u006f\u006e \u0045\u0078\u0065\u0072\u0063\u0069\u0073\u0065\u0073...
| Return a copy of S wherealltab characters are expanded using spaces. | If tabsizeisnotgiven, a tab size of8charactersisassumed. | | find(...) | S.find(sub [,start [,end]])->int | | Return the lowest indexinS where substring subisfound, ...
chinese_chars=re.findall(r'[\u4e00-\u9fa5]',text)count=len(chinese_chars)# 计算总字节数byte_count=len(text.encode('utf-8'))returncount,byte_count# 示例文本text="你好,世界!Hello, World!"count,byte_count=count_chinese_characters(text)print(f"汉字数量:{count}, 总字节数:{byte_count}"...
words start with title case characters, all remaining cased characters have lower case. """ return "" def translate(self, table): # real signature unknown; restored from __doc__ """ table=str.maketrans('alex','big SB') a='hello abc' print(a.translate(table)) S.translate(table) ->...
A stream at its most basic represents a sequence of elements that aren’t available all at once. When you read characters and lines from a file, you’re working with a stream in the form of a file object, which at its most basic is a file descriptor. File descriptors are often used ...