Python: Get string between two character with specific index

Question

I am very beginner in Python.

aString = 'fruit list is: <carrot>, <orange>, <pineapple>, <grape>, <watermelon>, <mangosteen>'

From my aString, sometime I need a string 'carrot'; sometime I need a string 'watermelon'; sometime I need a string 'mangosteen'.

Does Python have a function to get string between two character with specific index?

I am very thankful if somebody can help to solve this problem.

Use re.findall() to find all the matches of <.*?>. This will return a list, you can then get the one with the specific index. — Barmar
– Barmar, Commented Jul 2, 2021 at 19:03

Ethan Haid · Accepted Answer · 2021-07-02 19:05:20Z

5

you can get a substring between two indexes like this

aString[start: end]

where start and end are integers

answered Jul 2, 2021 at 19:05

Ethan Haid

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1 Comment

PinkPanther Over a year ago

thank for the answer. I have similar problem, Is it possible to make a loop to get all strings between < and >? The output result should be like this: carrot orange pineapple grape watermelon mangosteen

Mr. Hussain AL Hussaini · Accepted Answer · 2022-07-12 10:48:53Z

It's too late but that's my own function:

def Between(first, second, position, string, direction='forward'):
    # if you have the index of the second character you can use it but add direction = 'back' or anything except 'forward'
    result = ""
    pairs = 1

    if direction == 'forward':
        for i in string[position+1:]:
            if i == first: pairs += 1

            elif i == second: pairs -= 1

            if pairs==0: break

            result = result+i

    else:
        for i in (string[:position])[::-1]:
            if i == second: pairs += 1

            elif i == first: pairs -= 1

            if pairs==0: break

            result = i+result

    return result

# for example:
string = "abc(defg)hijklmenop"
print(Between("(", ")", 3, string)) # direction = 'forward'
print(Between("(", ")", 8, string, direction='back'))

# Also it works in this case:
string = "abcd(efg(hij)klmno)pqrstuvwxyz"
print(Between("(", ")", 4, string)) # direction = 'forward'
print(Between("(", ")", 18, string, direction='back'))

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