Java 25 (LTS) reference · String Methods

Java String strip() Method

Remove leading and trailing whitespace, including Unicode spaces. Prefer it to the older trim().

Java 25 (LTS) Since Java 11

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Syntax

string.strip()

Return value

A new String.

Examples

Trim both ends or one

public class Main {
    public static void main(String[] args) {
        String raw = "   [email protected]  ";
        System.out.println("[" + raw.strip() + "]");
        System.out.println("[" + raw.stripLeading() + "]");
        System.out.println("[" + raw.stripTrailing() + "]");
    }
}

Output

[[email protected]]
[[email protected]  ]
[   [email protected]]

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strip() vs trim()

public class Main {
    public static void main(String[] args) {
        String s = "\u2003padded\u2003";  // an em space
        System.out.println("trim:  [" + s.trim() + "]");
        System.out.println("strip: [" + s.strip() + "]");
    }
}