find if string1 is contained in string2 in python

Question

I have two strings: string1 = ABCDE and string2 = BC.

I hope to write a program returning a T/F value for whether string2 is contained in string1. For the example above, the function should return True. I know it's something like the %in% function in R, but since I am a newbie in Python, please share your thoughts on this simple question.

Thanks!

RocketDonkey · Accepted Answer · 2012-10-12 22:32:55Z

3

You could try this:

def StringTest(string1, string2):
  return string2 in string1

Or outside of a function:

result = string2 in string1

Either of these will return a boolean result.

answered Oct 12, 2012 at 22:32

RocketDonkey

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3 Comments

alittleboy Over a year ago

Thanks! I don't know the in operator in Python...that's indeed very convenient.

RocketDonkey Over a year ago

@alittleboy No worries - it is definitely a good one to know :)

RocketDonkey Over a year ago

@Ant Haha, yeah - I misread it at first and through 'program' said 'function'.

Joran Beasley · Accepted Answer · 2012-10-12 22:33:00Z

1

if string1 in string2: print "YES!"

this is really easy in python ;)

answered Oct 12, 2012 at 22:33

Joran Beasley

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1 Comment

K.-Michael Aye Over a year ago

technically, he wanted to know if string2 is in string1, so: Wrong! :-P

bzdjamboo · Accepted Answer · 2012-10-13 03:02:26Z

1

string2.find(string1) != -1

would also work.

answered Oct 13, 2012 at 3:02

bzdjamboo

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