escaped_string = escape(string) 复制代码 其中,string是需要进行转义的字符串,escaped_string是转义后的字符串。 例如,如果需要在字符串中使用单引号,可以使用escape()函数将其转义: string = "I'm a string with a single quote" escaped_string = escape(string
Return all non-overlapping matches of pattern string, as a list of strings. The string是从左到右扫描的,所以匹配的内容是按照该顺序来的If one or more groups are present in the pattern, return a list of groups; this will be a list of tuples if the pattern has more than one group. Retu...
StringHandler+escape_quotes(input_string: str) : str+add_special_characters() : str 在这个类图中,我们定义了一个StringHandler类,其中包含一个用于转义引号的方法和一个用于添加特殊字符的方法。 接下来是一个关系图示例,展示了字符串与转义字符之间的关系: STRINGstring_valueSTRINGis_escapedBOOLEANESCAPE_CHARA...
>>> len("a string") 8 >>> >>> s = "a long string" >>> >>> len(s) 13 >>> >>> len("") 0 >>> 创建空字符串# >>> >>> s3 = '' # empty string using single quotes >>> s3 '' >>> >>> s4 = "" # empty string using double quotes >>> s4 '' >>> 虽然变数s3...
m.string传递给match()或search()的字符串 如果我们需要重复使用这一正则表达式,就可以将其进行编译,之后在任意需要的时候使用编译后的正则表达式: color_re = re.compile(r"#[\dA-Fa-f]{6}\b") match = color_re.search(text) 如前面所讲过的,我们使用原始的...
Invalid Raw String Examples In this example, the end quote is missing from the output since it’s being escaped by the backslash character resulting in anunterminated string literalerror: r'\' In this example, the first two backslashes will escape each other, and the third one will try to ...
The escape sequence is used to escape some of the characters present inside a string. Suppose we need to include both a double quote and a single quote inside a string, example ="He said, "What's there?"" print(example) # throws error ...
这个函数的说明如下： urllib.quote(string[, safe])¶Replace special characters in string using the %xx escape. Letters, digits, and the characters '_.-' are never quoted. By default, this function is intended for quoting the path section of the URL. The optional safe ...
output string is enclosed in quotes and special characters are escaped with backslashes. While this might sometimes look different from the input (the enclosing quotes could change), the two strings are equivalent. The string is enclosed in double quotes if the string contains a single quote and...
multiline_string = '''This is a string where I can confortably write on multiple lines without worring about to use the escape character "\\" as in the previsou example. As you'll see, the original string formatting is preserved. ''' print(multiline_string) 改变大小写 你可以很方便的...