C++ program: count the number of vowels in a string

In this program I'll teach you how to count the number of vowels in a string that the user inputs.

[nnexrebrn]

Don't know why I didn't think to use a loop. Thanks!

[justintroymateo]

how do you output the word with the most vowel when the user inputs a sentence ?

[hamidsoli]

I Wana write program with for the do :
Print "Episode 1" to "Episode that user entered when Run Program"

Help me

[AbhishakKannoth]

what's the purpose of i<userstring.length(); in the for loop?

[luisarevalo]

Hey thank you. Can you count them using switch?

[kellieannalexander]

Instead of entering the string, if it was already given, what changes?

[whathappenedtomyhandle]

what is name of the c++ compiler used here?

[flow]

y u are using so many brackets can't we just write userString[i]=='a' and so on

[guitarguy]

what if a word doesn't have a, e, i, o, or u, but instead has a y. You forgot that case :P