Python Get First List Index Containing Sub string Stack Overflow
Def substringindex inputlist inputsubstring s x for x in inputlist if re search inputsubstring x if s return inputlist index s 0 s 0 return 1 This function works exactly like theirs but supports regex
Finding A Substring Within A List In Python Stack Overflow, Example list mylist abc123 def456 ghi789 I want to retrieve an element if there s a match for a substring like abc Code sub abc print any sub in mystring for mystring in mylist above prints True if any of the elements in the list contain the pattern I would like to print the element which matches the substring
Index Of Substring In A Python List Of Strings Stack Overflow
2 Answers Sorted by 6 You can use str find with a list comprehension L abc day ghi res i find a for i in L 0 1 1 As described in the docs Return the lowest index in the string where substring sub is found within the slice s start end
Python Check If String Matches A Substring In A List Return Index , I need to detect if a string matches a substring contained in a list and get the index of the matching substring to assign a value to a variable Here s the code filename quot rec 1 2 LUNCHPLAY 20220616 1645 mp4 quot year 2022 studio arena 1 2 1 2 1 3 1 4 1 5 1 8 1 9 2bis month f year 01 f year 02 f
Python Find A Substring In A String And Returning The Index Of
Python Find A Substring In A String And Returning The Index Of , Def count substring string sub string cnt 0 len ss len sub string for i in range len string len ss 1 if string i i len ss sub string cnt 1 return cnt The find function probably returns the index of the fist occurrence only
Python String Substring DigitalOcean
Python Find An Index or All Of A Substring In A String
Python Find An Index or All Of A Substring In A String Let s see how we can use the str rindex method to find the last index of a substring in Python a string quot the quick brown fox jumps over the lazy dog the quick brown fox jumps over the lazy dog quot Find the last index of the index a string rindex the print index Returns 76
How To Find Index Of Last Occurrence Of Substring In Python String
Based on this answer I d like to show how to quot early exit quot the iteration once the first item containing the substring aa is encountered This only returns the first position import itertools first idx len tuple itertools takewhile lambda x quot aa quot not in x mylist Python Find All Index Position In List Based On Partial String . str rfind str rindex These return the highest index of the substring re search This returns the match object that contains the starting and ending indices of the substring str find str rfind These methods return 1 when a substring is not found str index str rindex These raise a ValueError when a substring is not found Def find all string substring quot quot quot Function Returning all the index of substring in a string Arguments String and the search string Return Returning a list quot quot quot length len substring c 0 indexes while c lt len string if string c c length substring indexes append c c c 1 return indexes
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