Split string into individual words Java

Question

I would like to know how to split up a large string into a series of smaller strings or words. For example:

I want to walk my dog.

Answer 1

As a more general solution (but ASCII only!), to include any other separators between words (like commas and semicolons), I suggest:

String s = "I want to walk my dog, cat, and tarantula; maybe even my tortoise.";
String[] words = s.split("\\W+");

The regex means that the delimiters will be anything that is not a word [\W], in groups of at least one [+]. Because [+] is greedy, it will take for instance ';' and ' ' together as one delimiter.

Answer 2

You can use split(" ") method of the String class and can get each word as code given below:

String s = "I want to walk my dog";
String []strArray=s.split(" ");
for(int i=0; i<strArray.length;i++) {
     System.out.println(strArray[i]);
}

Answer 3

This regex will split word by space like space, tab, line break:

String[] str = s.split("\\s+");

Answer 4

Yet another method, using StringTokenizer :

String s = "I want to walk my dog";
StringTokenizer tokenizer = new StringTokenizer(s);

while(tokenizer.hasMoreTokens()) {
    System.out.println(tokenizer.nextToken());
}

Answer 5

String[] str = s.split("[^a-zA-Z]+");

Answer 6

Use split()

String words[] = stringInstance.split(" ");