Return the number of times that the string "code" appears anywhere in the given string,
except we'll accept any letter for the 'd', so "cope" and "cooe" count.
Is there a value that I can input that means any letter or do I have to make a case for every letter of the alphabet?
Use a regex:
string.matches("co[a-z]e")
To count the number of matches:
int count = 0;
Matcher m = Pattern.compile("co[a-z]e").matcher(string);
while(m.find()) {
count++;
}