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how to find numbers in text
Posted: Sat Dec 14, 2013 1:14 pm
by Nerfintas
hi guys, i have
Code: Select all
int main()
{
string text;
getline(cin, text);
cout << text;
return 0;
}
and what i need to do? i need to found how many numbers in text is. for example if i have text "my name is Raimundas 45 Pavilonis 789"; it counts 5 becouse there is five numbers.
Re: how to find numbers in text
Posted: Sat Dec 14, 2013 1:16 pm
by vitinho444
I'm gonna say that the language you're using is c++, i don't know about c++ but there are some languages, like php that have pre-built is_numeric functions.
So what you have to do is see the length of the string, and go char to char and check if(is_numeric) then raise some counter by 1 and you will end up with the number count.
Re: how to find numbers in text
Posted: Sat Dec 14, 2013 1:24 pm
by Nerfintas
amm im new in here so i need exactly code to do that in c++
Re: how to find numbers in text
Posted: Sat Dec 14, 2013 2:46 pm
by vitinho444
I found this piece of code:
Code: Select all
bool is_numeric(char *string)
{
int sizeOfString = sizeof(string);
int iteration = 0;
bool isNumeric = true;
while(iteration < sizeOfString)
{
if(!isdigit(string[iteration]))
{
isNumeric = false;
break;
}
iteration++;
}
return isNumeric;
}
Re: how to find numbers in text
Posted: Sun Dec 15, 2013 4:24 pm
by Nerfintas
thanks!