string.find takes start argument which you can pass to tell it from where to start searching, string.find also return the position are which it found bob, so you can use that, add length of bob to it and pass it to next s.find. So at start of loop set start=0 as you want to ...
string = "test test test test" print string.find('test') # 0 print string.rfind('test') # 15 #this is the goal print string.find_all('test') # [0,5,10,15] For counting the occurrences, see Count number of occurrences of a substring in a string. python string Share Improve th...
Return the number of non-overlapping(不覆盖) occurrences(发生) of substring(子字符串) sub in string S[start:end]. Optional arguments start and end are interpreted(解释的) as in slice(默认) notation(符号). """ str2 = "hello world!" print(str2.count("l")) # 3 print(str2.count("l...
"""rstrip(s [,chars]) -> string Return a copy of the string s with trailing whitespace removed. If chars is given and not None, remove characters in chars instead. """ return s.rstrip(chars) # Split a string into a list of space/tab-separated words def split(s, sep=None, maxspl...
Return the number of non-overlapping occurrences of substring subinstring S[start:end]. Optional arguments startandend are interpreted asinslice notation. 返回原始字符串在切片索引范围内包含子字符串的个数,当start(end)为None时,即为从头开始(到尾结束)。
String常用内置函数-Python .find() # find:查找字符串中是否包含某个子串 str="We can probably do anything we set our minds to." str_son0="can" str_son1="Hello World" print(str.find(str_son0)) # 3 print(str.find(str_son1)) # -1...
Concatenate any number of strings. The string whose method is called is inserted in between each given string. The result is returned as a new string. Example: '.'.join(['ab', 'pq', 'rs']) -> 'ab.pq.rs' 连接任意数量的字符串。
Help on class str in module __builtin__: class str ( basestring ) | str ( object = '') - > string | | Return a nice string representation of the object . | If the argument is a string, the return value is the same object . ...
Concatenate any number of strings. The string whose method is called is inserted in between each given string. The result is returned as a new string. Example: '.'.join(['ab', 'pq', 'rs']) -> 'ab.pq.rs' 连接任意数量的字符串。
Use thestring.count()Function to Find All Occurrences of a Substring in a String Thestring.count()is a Python built-in function that returns the number of occurrences of a substring in a given particular string. Moreover, it has additional parametersstartandendto specify the indices of startin...