Trim whitespace

Supported in: Batch, Streaming

Trims whitespace at beginning and end of string. Whitespace is defined as characters in any of: 1) Unicode's \p{whitespace} set, 2) Java's String#trim() method, or 3) Java's Character#isWhitespace() method.

Expression categories: Data preparation, String

Declared arguments

• Expression - Input string to trim whitespace from.
  Expression<String>

Output type: String

Examples

Example 1: Base case

Argument values:

• Expression: hello world

Output: hello world

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Example 2: Null case

Argument values:

• Expression: null

Output: null

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