Method removeEnd

src/main/java/org/apache/commons/lang3/Strings.java:1162–1170

Removal of a substring if it is at the end of a source string, otherwise returns the source string. A null source string will return null. An empty ("") source string will return the empty string. A null search string will return the source string. Case-sensiti

(final String str, final CharSequence remove)

     * @return the substring with the string removed if found, {@code null} if null String input
     */
    public String removeEnd(final String str, final CharSequence remove) {
        if (StringUtils.isEmpty(str) || StringUtils.isEmpty(remove)) {
            return str;
        }
        if (endsWith(str, remove)) {
            return str.substring(0, str.length() - remove.length());
        }
        return str;
    }

    /**
     * Removal of a substring if it is at the beginning of a source string, otherwise returns the source string.