2.1.2010

Python snippets, find all occurences of string

  
>>> def find_all(string, occurrence):  
...     found = 0  
...  
...     while True:  
...         found = string.find(occurrence, found)  
...         if found != -1:  
...             yield found  
...         else:  
...             break  
...  
...         found += 1  
...  
>>>  
>>> print list(find_all("awpropeoaspwtoapwroawpeoaweo", "p"))  
[2, 5, 10, 15, 21]  
>>>  
>>> print list(find_all("Overllllapping", "ll"))  
[4, 5, 6]  

Note: Finds all overlapping matches.

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