tFindRegexlibExpressions Standard properties

Schema and Edit Schema

These fields are read-only. The schema of this component contains the following fields: Title, Expression, Description, Matches, Non-Matches, Author, Rating.

Regexp Substring

Define a regular expression substring you want to use as a filter on the regular expression list.

Key Words

Enter the key word(s) you want to use as a filter on the regular expression list. Key words are separated by commas.

Min Rate

Define a regular expression rating you want to use as a filter on the regular expression list.

Relative path

Type in the relative path pointing to the pattern folder you need to create under the Patterns > Regex node in the DQ Repository tree view for keeping the retrieved patterns. For example, you need to create a folder called phone with a sub-folder uk for the phone patterns used in the U.K., then type in "phone/uk" in this Relative path field.

In order to create definitely the pattern folder in the DQ Repository, you must import therein the retrieved regular expressions that have been stored in a .csv file. For further information about how to import regular expression from a .csv file, see Importing regular expressions or SQL patterns from a CSV file.

tStat Catcher Statistics

Select this check box to collect log data at the component level.

Global Variables

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 more information about variables, see Using contexts and variables.

Usage rule

This component is a start component. It requires an output flow, usually a csv file. You can later import all collected expressions from a well formatted csv file into Talend Studio .

For more information about importing patterns, see Importing regular expressions or SQL patterns from a CSV file.