# tPatternCheck Standard properties These properties are used to configure tPatternCheck running in the Standard Job framework. The Standard tPatternCheck component belongs to the Data Quality family. This component is available in Talend Data Management Platform, Talend Big Data Platform, Talend Real Time Big Data Platform, Talend Data Services Platform, Talend MDM Platform and Talend Data Fabric. ## Basic settings | Schema and Edit schema | A schema is a row description, it defines the number
of fields to be processed and passed on to the next component. The schema is
either Built-in or stored remotely in the
Repository. | | --- | --- | | | Built-In: You create and store the schema locally for this component
only. | | | Repository: You have already created the schema and stored it in the
Repository. You can reuse it in various projects and Job designs. | | Column to check | Select the column you want to analyze. You can analyze columns of type
String only. | | PROPERTY | The pattern against which you want to check the data is either
Built-in or stored remotely in the
Repository. | | | Built-in: You can enter a pattern regex in the
Pattern Regex field and store it locally for
this component only. | | | Repository: From the
Pattern Selector, select the pattern against
which you want to check the data.


These patterns are retrieved from the DQ Repository of Talend Studio.
The list includes the system and user-defined patterns. | ## Advanced settings | tStatCatcher
Statistics | Select this check box to gather the Job processing metadata at the Job level
as well as at each component level. | | --- | --- | ## Global Variables | Global Variables | NB\_LINE: the number
of rows read by an input component or transferred to an output component. This is an
After variable and it returns an integer.


NB\_LINE\_OK: the number of rows matching a given
pattern. This is an After variable and it returns an integer.


NB\_LINE\_REJECT:
the number of rows not matching a given pattern. This is an After variable and it
returns an integer.


ERROR\_MESSAGE: the error message generated by the component when an
error occurs. This is an After variable and it returns a string. This variable functions
only if the Die on error check box
is cleared, if the component has this check
box.

A Flow variable functions during the execution of a component
while an After variable functions after the execution of the component.

To fill up a field or expression with a
variable, press Ctrl + Space to
access the variable list and choose the variable to use from it.

For further information about variables, see *Talend Studio*
*User Guide*. | | --- | --- | ## Usage | **Usage rule** | This component is usually used as an intermediate component, and it requires an
input component and an output component. | | --- | --- | | Limitation | When exporting a Job using
tPatternCheck with a user-defined pattern stored
in the DQ Repository, you must export the pattern
with the Job. Otherwise, the pattern will switch to Built-in mode when
importing the Job in another project.

When importing a Job using tPatternCheck with a system
pattern, the pattern will switch to Built-in mode.

For more information about importing Jobs with
data profiling items in Talend Studio, see the
documentation on Talend Help Center ([https://help.talend.com](https://help.talend.com/)).

For more information about importing Jobs with
patterns in Talend Studio,
see Importing data profiling items or projects. |