Suppose I have the string 1:2:3:4:5 and I want to get its last field (5 in this case). How do I do that using Bash? I tried cut, but I don’t know how to specify the last field with -f. 17 Answers 17
Some ways to iterate through the characters of a string in Java are: Using StringTokenizer? Converting the String to a char[] and iterating over that. What is the easiest/best/most correct way to iterate? 16 Answers 16
Java has a convenient split method: String str = “The quick brown fox”; String[] results = str.split(” “); Is there an easy way to do this in C++? 36 Answers 36
I am parsing a string in C++ using the following: using namespace std; string parsed,input=”text to be parsed”; stringstream input_stringstream(input); if (getline(input_stringstream,parsed,’ ‘)) { // do some processing. } Parsing with a single char delimiter is fine. But what if I want to use a string as delimiter. Example: I want to split: scott>=tiger with … Read more
I use a for loop to iterate the string and use charAt() to get each character to examine it. Since the String is implemented with an array, the charAt() method is a constant time operation. String s = “…stuff…”; for (int i = 0; i < s.length(); i++){ char c = s.charAt(i); //Process char } That’s what I would … Read more
