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How to check if string matches pattern C


int main()
{
    char str[MAXSTR] = "A1234567890";
}

int isFormat(char str[MAXSTR])
{
    int len = strlen(str);
    int x=0, result=0;

    if(str[x] >= 'A' && str[x] <=
'Z')
    {
        for (x=1; x<len; x++)
            if(str[x] >= '0' && str[x]
<= '9')
                result = 1;
            else
                return 0;
    }
    return result;
}

You can write your own function to check that. This is just one of the example. You can use the isalpha() function, but you may need to include <ctype.h>. isalpha() takes in a char.


Categories : C

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