Talend Open Profiler (TOP) helps you to profile your data. TOP's ergonomic interface allows you to define metrics (indicators) and collect statistics on your data in a few clicks. It comes with a set of regular expressions that helps you to identify bad data. You can create your own regular expressions and use them in data profiling analyses. A lot of options exist for each indicator, which change the behavior of the indicator so that it gives you more pertinent information. Data quality options on indicators alert you when your data quality is not what you expected.