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Questions tagged [contains]

The "contains" operator/method is used to determine if an entity collection contains an element with a particular property.

3449 votes
32 answers
1.3m views

Case insensitive 'Contains(string)'

Is there a way to make the following return true? string title = "ASTRINGTOTEST"; title.Contains("string"); There doesn't seem to be an overload that allows me to set the case ...
Boris Callens's user avatar
3586 votes
10 answers
6.9m views

Does Python have a string 'contains' substring method?

I'm looking for a string.contains or string.indexof method in Python. I want to do: if not somestring.contains("blah"): continue
Blankman's user avatar
  • 265k
2653 votes
36 answers
6.7m views

How do I check if a string contains a specific word?

Consider: $a = 'How are you?'; if ($a contains 'are') echo 'true'; Suppose I have the code above, what is the correct way to write the statement if ($a contains 'are')?
655 votes
19 answers
733k views

Check if multiple strings exist in another string

How can I check if any of the strings in an array exists in another string? For example: a = ['a', 'b', 'c'] s = "a123" if a in s: print("some of the strings found in s") else: ...
jahmax's user avatar
  • 8,491
1407 votes
18 answers
1.8m views

Determine whether an array contains a value [duplicate]

I need to determine if a value exists in an array. I am using the following function: Array.prototype.contains = function(obj) { var i = this.length; while (i--) { if (this[i] == obj)...
Prasad's user avatar
  • 59.4k
329 votes
24 answers
426k views

How to check if a string contains text from an array of substrings in JavaScript?

Pretty straight forward. In javascript, I need to check if a string contains any substrings held in an array.
PercivalMcGullicuddy's user avatar
635 votes
6 answers
792k views

Is there a short contains function for lists?

Given a list xs and a value item, how can I check whether xs contains item (i.e., if any of the elements of xs is equal to item)? Is there something like xs.contains(item)? For performance ...
Joan Venge's user avatar
  • 326k
94 votes
6 answers
56k views

How do I make jQuery Contains case insensitive, including jQuery 1.8+?

I'm trying to use "contains" case insensitively. I tried using the solution at the following stackoverflow question, but it didn't work: Is there a case insensitive jQuery :contains selector? For ...
Matrym's user avatar
  • 17k
1017 votes
15 answers
4.5m views

SQL SELECT WHERE field contains words

I need a select which would return results like this: SELECT * FROM MyTable WHERE Column1 CONTAINS 'word1 word2 word3' And I need all results, i.e. this includes strings with 'word2 word3 word1' or '...
Mario's user avatar
  • 14.6k
299 votes
14 answers
634k views

Java List.contains(Object with field value equal to x)

I want to check whether a List contains an object that has a field with a certain value. Now, I could use a loop to go through and check, but I was curious if there was anything more code efficient. ...
Rudi Kershaw's user avatar
  • 12.8k
161 votes
3 answers
157k views

Complexity of *in* operator in Python

What is the complexity of the in operator in Python? Is it theta(n)? Is it the same as the following? def find(L, x): for e in L: if e == x: return True return False L is a ...
Sajad Rastegar's user avatar
109 votes
22 answers
477k views

How do I use LINQ Contains(string[]) instead of Contains(string)

I got one big question. I got a linq query to put it simply looks like this: from xx in table where xx.uid.ToString().Contains(string[]) select xx The values of the string[] array would be numbers ...
SpoiledTechie.com's user avatar
54 votes
15 answers
82k views

String contains any items in an array (case insensitive)

How can i check if a $string contains any of the items expressed in an array? $string = 'My nAmE is Tom.'; $array = array("name","tom"); if(contains($string,$array)) { // do something to say it ...
tarnfeld's user avatar
  • 26.5k
288 votes
10 answers
431k views

Search for "does-not-contain" on a DataFrame in pandas

I've done some searching and can't figure out how to filter a dataframe by df["col"].str.contains(word) however I'm wondering if there is a way to do the reverse: filter a dataframe by that ...
stites's user avatar
  • 5,103
151 votes
17 answers
275k views

How to check if a String contains any of some strings

With a String s, to determine if it contains "a" or "b" or "c". Something that is better than checking each individually: if (s.contains("a")||s.contains("...
Stavros's user avatar
  • 6,006

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