Method findUTF8Index

java/com/google/re2j/RE2.java:632–638

(byte[] b)

   */
  // This is visible for testing.
  int[] findUTF8Index(byte[] b) {
    int[] a = doExecute(MachineInput.fromUTF8(b), 0, UNANCHORED, 2);
    if (a == null) {
      return null;
    }
    return Utils.subarray(a, 0, 2);
  }

  /**
   * Returns a string holding the text of the leftmost match in {@code s} of this regular