How to use regex to match split characters in java?

@daisha 

In Java, you can use the split() method along with regular expressions to split a string based on certain characters. Here's an example of how you can split a string based on a regex pattern:

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String input = "Hello,world!";
String[] parts = input.split("[,\s]+"); // Split the string based on commas and spaces
for (String part : parts) {
    System.out.println(part);
}

In this example, the split("[,\s]+") method will split the input string Hello,world! into an array of strings based on commas and spaces. The resulting output will be:

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Hello
world!