How to count number of spaces, certain letters, etc. in strings?

This is a discussion on How to count number of spaces, certain letters, etc. in strings? within the C Programming forums, part of the General Programming Boards category; Hello, I was wondering if anyone knew how to get a program to count the number of certain elements in ...

  1. #1
    Registered User
    Join Date
    Oct 2011
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    32

    How to count number of spaces, certain letters, etc. in strings?

    Hello, I was wondering if anyone knew how to get a program to count the number of certain elements in a string.

    Here's an example code I made. How would I determine the number of spaces in line1 and the number of punctuation marks in line2 that would return that back to the main?

    Code:
    #include <stdio.h>
    #include <string.h>
    
    
    int spaceCount(char line1[]);
    int locatePunctuation(char line2[]);
    
    
    void main()
    {
                char line1[] = "I like chocolate chip cookies."
                char line2[] = "Hi. My name is DW. How are you today?"
                printf(spaceCount(line1));
                printf(locatePunctuation(line2));
    
    
    }
    
    
    int spaceCount (char line1[])
    {
    
    
    }
    
    
    int locatePunctuation(char line2[])
    {
    
    
    }
    I'm guessing for punctuation I would need something like (correct me if I'm wrong):

    Code:
    int count = 0, i;
    for(i = 0; i < strlen(line);i++) // counts # of punctuation marks in the string
    {
              if(ispunct(line[i] )) { count++; }
    }
    printf(“%d \n”, count);
    ??

    Not sure about spaces though.

    Thanks!

  2. #2
    Banned
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    Aug 2010
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    Ontario Canada
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    9,547
    Look up the following functions in your C library documentation...
    (If you don't have it.. get it.)

    ispunct()
    isspace()
    isalpha()
    isdigit()

  3. #3
    Registered User
    Join Date
    Oct 2011
    Posts
    32
    Ah that helped. Thank you very much!

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