Method regionMatches

lib/java/lang/String.java:1209–1227

Compares the specified string to this string and compares the specified range of characters to determine if they are the same. @param thisStart the starting offset in this string. @param string the string to compare. @param start the starting offset in the specified

(int thisStart, String string, int start,
            int length)

     *             if {@code string} is {@code null}.
     */
    public boolean regionMatches(int thisStart, String string, int start,
            int length) {
        if (string.count - start < length || start < 0) {
            return false;
        }
        if (thisStart < 0 || count - thisStart < length) {
            return false;
        }
        if (length <= 0) {
            return true;
        }
        int o1 = offset + thisStart, o2 = string.offset + start;
        for (int i = 0; i < length; ++i) {
            if (value[o1 + i] != string.value[o2 + i]) {
                return false;
            }
        }
        return true;
    }

    /**
     * Compares the specified string to this string and compares the specified