Check if a Python list item contains a string inside another string

Question

I have a list   my list     abc-123    def-456    ghi-789    abc-456     and want to search for items that contain the string  abc   How can I do that   if  abc  in my list    would check if  abc  exists in the list but it is a part of  abc-123  and  abc-456    abc  does not exist on its own  So how can I get all items that contain  abc

User · Answer

Use filter to get at the elements that have abc    gt  gt  gt  lst     abc-123    def-456    ghi-789    abc-456    gt  gt  gt  print filter lambda x   abc  in x  lst    abc-123    abc-456     You can also use a list comprehension    gt  gt  gt   x for x in lst if  abc  in x    By the way  don t use the word list as a variable name since it is already used for the list type

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def find dog new ls       splt   new ls split       if  dog  in splt          print  True       else          print  False     find dog  Is there a dog here

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Question   Give the informations of abc      a     abc-123    def-456    ghi-789    abc-456         aa     string for string in a if   abc  in string      print aa   Output   gt     abc-123    abc-456

User · Answer

mylist   abc   def   ghi   abc    pattern re compile r abc     pattern findall mylist

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my list     abc-123    def-456    ghi-789    abc-456    for item in my list      if  item find  abc       -1          print   Found at    item

User · Answer

Just throwing this out there  if you happen to need to match against more than one string  for example abc and def  you can combine two comprehensions as follows   matchers     abc   def   matching    s for s in my list if any xs in s for xs in matchers     Output     abc-123    def-456    abc-456

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I did a search  which requires you to input a certain value  then it will look for a value from the list which contains your input   my list     abc-123            def-456            ghi-789            abc-456             imp   raw input  Search item      for items in my list      val   items     if any imp in val for items in my list           print items    Try searching for  abc

User · Answer

Use the   contains     method of Pythons string class    a     abc-123    def-456    ghi-789    abc-456   for i in a      if i   contains    abc             print i    is containing

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I am new to Python  I got the code below working and made it easy to understand   my list     abc-123    def-456    ghi-789    abc-456   for str in my list      if  abc  in str         print str

User · Answer

Adding nan to list  and the below works for me  some list     abc-123    def-456    ghi-789    abc-456  np nan  any  i for i in  x for x in some list if str x      nan   if  quot abc quot  in i

User · Answer

If you just need to know if  abc  is in one of the items  this is the shortest way  if  abc  in str my list    Note  this assumes  abc  is an alphanumeric text  Do not use it if  abc  could be a just a special character  i e

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x    aaa  L     aaa-12    bbbaaa    cccaa   res    y for y in L if x in y

User · Answer

This is quite an old question  but I offer this answer because the previous answers do not cope with items in the list that are not strings  or some kind of iterable object   Such items would cause the entire list comprehension to fail with an exception   To gracefully deal with such items in the list by skipping the non-iterable items  use the following    el for el in lst if isinstance el  collections Iterable  and  st in el     then  with such a list   lst    None   abc-123    def-456    ghi-789    abc-456   123  st    abc    you will still get the matching items    abc-123    abc-456     The test for iterable may not be the best  Got it from here  In Python  how do I determine if an object is iterable

User · Answer

any  abc  in item for item in mylist

User · Answer

I needed the list indices that correspond to a match as follows   lst   abc-123    def-456    ghi-789    abc-456     n for n  x in enumerate lst  if  abc  in x    output   0  3

User · Answer

If you only want to check for the presence of abc in any string in the list  you could try  some list     abc-123    def-456    ghi-789    abc-456   if any  abc  in s for s in some list         whatever   If you really want to get all the items containing abc  use  matching    s for s in some list if  abc  in s

User · Answer

If you want to get list of data for multiple substrings you can change it this way some list     abc-123    def-456    ghi-789    abc-456     select element where  quot abc quot  or  quot ghi quot  is included find 1    quot abc quot  find 2    quot ghi quot  result    element for element in some list if find 1 in element or find 2 in element     Output   abc-123    ghi-789    abc-456

User · Answer

for item in my list      if item find  abc      -1          print item

[python] Check if a Python list item contains a string inside another string

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