Use a regular expression filter to publish entries that match a Java regular expression. To create a regular expression filter, use the Regex Filter transformation type. A regular expression filter publishes records that match the expression and drops records that do not match the expression.
You can configure the following properties for the Regex Filter transformation type:
Name of the regular expression filter. Maximum length is 32 characters.
Description of the transformation. Maximum length is 256 characters.
Java regular expression to apply to the line of text. For example, you can use the following regular expression: