Removes all attributes with names that match a given regular expression. This transformer can be used to remove large numbers of attributes that have common naming patterns.

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Typical Uses

  • Remove multiple attributes from features where the attribute names have something in common, such as a prefix, suffix, string, or a pattern that can be described with a regular expression.

How does it work?

The BulkAttributeRemover lets you enter a regular expression - which may be as simple as a specific series of characters, or as complex as you like, using Advanced Regular Expression syntax.

Any attributes with a portion of their name matching your expression are removed, and all other attributes pass through the transformer untouched.

Matches are case-sensitive.


Usage Notes

  • Use the AttributeManager to remove selected individual attributes from a feature.
  • Use the AttributeKeeper to remove large numbers of attributes without expression matching, and keep selected individual attributes on a feature.
  • This transformer will not remove fme_ attributes - to remove them, use either the AttributeRemover or AttributeManager.


Input Ports

Output Ports


Editing Transformer Parameters

Using a set of menu options, transformer parameters can be assigned by referencing other elements in the workspace. More advanced functions, such as an advanced editor and an arithmetic editor, are also available in some transformers. To access a menu of these options, click beside the applicable parameter. For more information, see Transformer Parameter Menu Options.

Defining Values

There are several ways to define a value for use in a Transformer. The simplest is to simply type in a value or string, which can include functions of various types such as attribute references, math and string functions, and workspace parameters. There are a number of tools and shortcuts that can assist in constructing values, generally available from the drop-down context menu adjacent to the value field.

Dialog Options - Tables

Transformers with table-style parameters have additional tools for populating and manipulating values.


Processing Behavior


Feature Holding


Dependencies None
History Replaces the AttributeExpressionRemover

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Examples may contain information licensed under the Open Government Licence – Vancouver and/or the Open Government Licence – Canada.