string: The variable pointing to the target string (i.e., the string we want to split). maxsplit: The number of splits you wanted to perform. Ifmaxsplitis 2, at most two splits occur, and the remainder of the string is returned as the final element of the list. flags: By default...
split("|", maxsplit=1) ['Rubber duck', '5|10'] This is especially handy when you only care about the first or the first couple occurrences of a separator within a string.Splitting from the end of a stringIf it's the last couple occurrences of a separator that you care about, you...
pattern = '\d+'# maxsplit = 1# split only at the first occurrence result = re.split(pattern, string, 1) print(result)# 输出: ['Twelve:', ' Eighty nine:89 Nine:9.'] 顺便说一下,maxsplit默认值为0;默认值为0。意味着拆分所有匹配的结果。 re.sub() re.sub()的语法: re.sub(pattern...
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...
Split the string at the first occurrence of sep, and return a 3-tuple containing the part before the separator, the separator itself, and the part after the separator. If the separator is not found, return a 3-tuple containing the string itself, followed by two empty strings. ...
2. Usingfind()to check if a string contains another substring We can also usestring find() functionto check if string contains a substring or not. This function returns the first index position where substring is found, else returns -1. ...
Here we replace only the first occurrence. $ ./replacing.py I saw a fox in the forest. A lonely fox. I saw a fox in the forest. A lonely wolf. Python splitting and joining strings A string can be split with thesplitor thersplitmethod. They return a list of strings which were cut...
将String 变量转换为 float、int 或 boolean 向字符串填充或添加零的不同方法 去掉字符串中的 space 字符 生成N个字符的随机字符串 以不同的方式反转字符串 将Camel Case 转换为 Snake Case 并更改给定字符串中特定字符的大小写 检查给定的字符串是否是 Python 中的回文字符串 ...
If sep is not specified or is None, any whitespace string is a separator and empty strings are removed from the result. """ return [] 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. #!/usr/bin/python str = "Line1-abcdef \nLine2-abc \nLine4-abcd"; print str.split( ); print...
In this example, you use the newline character (\n) as a custom delimiter so that.split()only operates on line breaks, not on other whitespace characters. While it works, you may have noticed that.split()adds an empty string when the text ends with a final newline. This may not alwa...