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Home/ Questions/"If Substring Not In String Python" Samples
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Agathe Le Corre
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Agathe Le Corre
Asked: April 17, 20222022-04-17T19:02:23+00:00 2022-04-17T19:02:23+00:00In: python

“If Substring Not In String Python” Samples

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I am learning about “if substring not in string python”, below is a code I wrote

fullstring = "Stestdata"
substring = "test"
​
if fullstring.find(substring) != -1:
    print "substring in string python!"
else:
    print "substring not in string python!"

Anyone have a better idea? Let’s discuss this together

♦ Suggestions of ITtutoria Team
Ideas for “If Substring Not In String Python”: In Python, the find(substring) can be used to check whether a string contains a substring or not. The argument is a string.
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  1. Emma Carlier
    2022-04-17T19:02:37+00:00Added an answer on April 17, 2022 at 7:02 pm

    There is a simple way

    >>> string = "Hello World"
    >>> # Check Sub-String in String
    >>> "World" in string
    True
    >>> # Check Sub-String not in String
    >>> "World" not in string
    False
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  2. Ambre Leconte
    2022-04-17T19:02:26+00:00Added an answer on April 17, 2022 at 7:02 pm
    fullstring = "StackAbuse"
    substring = "tack"
    ​
    if fullstring.find(substring) != -1:
        print "Found!"
    else:
        print "Not found!"
    ​

    Have you ever tried this solution

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  3. Julia Dupont
    2022-04-17T19:02:33+00:00Added an answer on April 17, 2022 at 7:02 pm
    def find_string(string,sub_string):
        return string.find(sub_string)
    #.find() also accounts for multiple occurence of the substring in the given string

    I’ve seen this on another forum and this is what help to resolve the problem

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  4. Sacha Grandjean
    2022-04-17T19:02:28+00:00Added an answer on April 17, 2022 at 7:02 pm

    Maybe not the best solution, but it works.

    def is_value_in_string(value: str, the_string: str):
        return value in the_string.lower()
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  5. Léa Aubry
    2022-04-17T19:02:35+00:00Added an answer on April 17, 2022 at 7:02 pm

    In case you expect more than one maximum this will work

    str = '£35,000 per year'
    # check for '£' character in the string
    '£' not in str
    # >> False
    '£' in str
    # >> True 
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  6. Zoé Picard
    2022-04-17T19:02:30+00:00Added an answer on April 17, 2022 at 7:02 pm
    >>> str = "Messi is the best soccer player"
    >>> "soccer" in str
    True
    >>> "football" in str
    False

    Have you ever tried this solution

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