A string containing all characters that are considered whitespace. On most systems this includes the characters space, tab, linefeed, return, formfeed, and vertical tab. Do not change its definition — the effect on the routines strip() and split() is undefined. print string.whitespace 2. st...
7 8 Public module variables: 9 10 whitespace -- a string containing all characters considered whitespace 11 lowercase -- a string containing all characters considered lowercase letters 12 uppercase -- a string containing all characters considered uppercase letters 13 letters -- a string containing a...
Return True if the string is an alpha-numeric string, False otherwise. A string is alpha-numeric if all characters in the string are alpha-numeric and there is at least one character in the string. """ pass defisalpha(self, *args, **kwargs): # real signature unknown """ Return True...
a match object,or Noneifno match was found."""return_compile(pattern,flags).fullmatch(string)defsearch(pattern,string,flags=0):"""Scan through string lookingfora match to the pattern,returning a match object,or Noneifno match was found."""return_compile(pattern,flags).search(string)deffind...
>>> str='string learn' >>> str.startswith('str') #判断字符串以'str'开头 True >>> str.endswith('arn') #判读字符串以'arn'结尾 True 字符串搜索定位与替换 >>> str='string lEARn' >>> >>> str.find('a') #查找字符串,没有则返回-1,有则返回查到到第一个匹配的索引 ...
1.单行文本框QLineText clear() 清除文本框中的内容 contextMenuEvent() 右键菜单事件 copy() 复制文本框中的内容 cut() 剪切文本框中的内容 paste() 向文本框中粘贴内容 redo() 重做 selectAll() 全选 selectedText() 获得选中的文本 setAlignment() 设置文本对齐方式 ...
sep: string inserted between values, default a space. end: string appended after the last value, default a newline. flush: whether to forcibly flush the stream. """pass sep=' '分隔符,默认为一个空格 end='\n'结束符,默认以换行结束 ...
Theremodule offers a set of functions that allows us to search a string for a match: FunctionDescription findallReturns a list containing all matches searchReturns aMatch objectif there is a match anywhere in the string splitReturns a list where the string has been split at each match ...
The next line creates a label widget holding a static text string. The grid() method is used to specify the relative layout (position) of the label within its containing frame widget, similar to how tables in HTML work. A button widget is then created, and placed to the right of the ...
print(a.find("wolf", 15)) Here we search for a substring from the 15th character until the end of the string. We find the second occurrence of the substring. The line prints 35. print(a.rfind("wolf")) Therfindlooks for a substring from the end. It finds the second occurrence of ...