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I have the following string "Welcome to Java", and I need to extract the characters inside the quotes, is there a built in method that does that ? Just like the trim method removes spaces before and after a string.

Please note that the " are part of the string.

You can use StringUtils from apache commons lang, but you need to escape the quotes first.

Here is the example.

import org.apache.commons.lang3.StringUtils;

public class Test {

    public static void main(String[] args) {
        // TODO Auto-generated method stub
        String str = "\"Welcome to Java\"";
        String res = StringUtils.substringBetween(str, "\"", "\"");

        System.out.println(res);
    }

}

Trimming and Removing Characters from Strings in .NET, Learn to trim blank spaces from the beginning or end of a string, or remove any number of spaces or characters from a specified position in the� \.+$ means to find as many . as possible at the end. $ means at the end. The m behind /()/ is used to specify that if the string has newline or carriage return characters, the ^ and $ operators will now match against a newline boundary, instead of a string boundary.

Regex can do that, too!

String str = "\"Welcome to Java\"";
str = str.replaceAll("(\")(.*?)(\")", "$2");

System.out.println(str);

The regex pattern (\")(.*?)(\") means that split str to three part, first and third is a sing quote, second is the rest of the original string. And the replaceAll method second args means that we only need the second part.

trim - Manual, This function returns a string with whitespace stripped from the beginning and end of str . Without the second parameter, trim() will strip these characters:. The String.TrimEnd method removes characters from the end of a string, creating a new string object. An array of characters is passed to this method to specify the characters to be removed. The order of the elements in the character array does not affect the trim operation. The trim stops when a character not specified in the array is found.

As the first comment suggested, I just used the substring() method to deal with it. Thanks for all the answers.

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Comments
  • You mean trim() rather than split()? If you know the first and last chars are always quotes, you could use substring(1, s.length() - 1)
  • Yes I did mean trim(), and I completely forgot about substring, thanks a lot:)