escape character 可以将后面的字符转义 原来字符是\ 将n进行转义 这个\是一个转义字符 \n是一个转义序列 转为换行符 也可以直接转义输出 "\xhh" "\x0a" "\ooo" "\012" 8进制数 16进制数 \反斜杠 backslash 是转义字符 如果 想要输出的字符 那应该 怎么办?🤔 就是反斜杠\本身 去试试 尝试 这反斜...
“F-strings provide a way to embed expressions inside string literals, using a minimal syntax. It should be noted that an f-string is really an expression evaluated at run time, not a constant value. In Python source code, an f-string is a literal string, prefixed with f, which contain...
if a string, backslash escapes in it are processed. If it is a callable, it's passed the match object and must return a replacement string to be used."""return_compile(pattern, flags).sub(repl, string, count) ''' 替换字符串中的匹配项 ''' defsubn(pattern, repl, string, count=0,...
To escape a curly bracket, we double the character. A single quote is escaped with a backslash character. $ python main.py Python uses {} to evaluate variables in f-strings This was a 'great' film Python f-string format datetime
'_compile_repl', '_expand', '_locale', '_pattern_type', '_pickle', '_subx', 'compile', 'copyreg', 'enum', 'error', 'escape', 'findall', 'finditer', 'fullmatch', 'functools', 'match', 'purge', 'search', 'split', 'sre_compile', 'sre_parse', 'sub', 'subn', 'templa...
To escape a curly bracket, we double the character. A single quoteisescaped with a backslash character. $ python escaping.py Python uses {} to evaludate variablesinf-strings This was a'great'film Python f-string format datetime The following example formats datetime. ...
To insert characters that are illegal in a string, use an escape character.An escape character is a backslash \ followed by the character you want to insert.An example of an illegal character is a double quote inside a string that is surrounded by double quotes:...
使用f-string 进行转义 在Python 3.6 及以上版本中,您可以使用 f-string 进行字符串格式化,并结合转义字符来构建更复杂的字符串。例如: defformatted_message(name):message=f"Hello,{name}! Welcome to \"Python Programming\".\nEnjoy your stay!"print(message)formatted_message("Alice") ...
sub) Help on function sub in module re: sub(pattern, repl, string, count=0, flags=0) Return the string obtained by replacing the leftmost non-overlapping occurrences of the pattern in string by the replacement repl. repl can be either a string or a callable; if a string, backslash ...