How do I find a space in my String and replace it? JAVA Greetings, humans! I need to scan a keyboard input and find any spaces in it so I can replace it with "-".
Any help would be wonderful!

This article shows how to use regex to remove spaces in between a String.

A string with spaces in between.

String text = "Hello World Java.";

We want to remove the spaces and display it as below:

Hello World Java.

1. Java regex remove spaces

In Java, we can use regex \\s+ to match whitespace characters, and replaceAll("\\s+", " ") to replace them with a single space.

Regex explanation.

`\\s` # Matches whitespace characters.

+ # One or more

StringRemoveSpaces.java

package com.mkyong.regex.string;

public class StringRemoveSpaces {

public static void main(String[] args) {

String text = "Hello World Java.";

String result = text.replaceAll("\\s+", " ");

System.out.println(result);

}

}

Output

Terminal

Hello World Java.

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