public static boolean isMergeQualifierPrefix(Cell cell) {
    // Check to see if has family and that qualifier starts with the merge qualifier 'merge'
    return CellUtil.matchingFamily(cell, HConstants.CATALOG_FAMILY)
      && PrivateCellUtil.qualifierStartsWith(cell, HConstants.MERGE_QUALIFIER_PREFIX);
  }
Returns True if the column in <code>cell</code> matches the regex 'info:merge.*'.
hbase-client/src/main/java/org/apache/hadoop/hbase/CatalogFamilyFormat.java