Split string

Supported in: Batch, Streaming

Split string on specified regex pattern.

Expression categories: String

Declared arguments

• Expression - Input string to split on the specified pattern.
  Expression<String>
• Pattern - The regex pattern to split on.
  Regex
• optional Limit - Split the string into at most this number of elements. Must be greater than 0.
  Literal<Integer>

Output type: Array<String>

Examples

Example 1: Base case

Argument values:

• Expression: string
• Pattern:
• Limit: 2

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Example 2: Base case

Argument values:

• Expression: oneAtwoBthreeC
• Pattern: [ABC]
• Limit: 10

Output: [ one, two, three, empty string ]

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Example 3: Base case

Argument values:

• Expression: oneAtwoBthreeC
• Pattern: [ABC]
• Limit: 2

Output: [ one, twoBthreeC ]

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Example 4: Null case

Argument values:

• Expression: null
• Pattern: pattern
• Limit: null

Output: null

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Example 5: Edge case

Argument values:

• Expression: empty string
• Pattern: foo
• Limit: null

Output: [ empty string ]

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Example 6: Edge case

Argument values:

• Expression: abc
• Pattern: empty string
• Limit: null

Output: [ a, b, c ]

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Example 7: Edge case

Argument values:

• Expression: empty string
• Pattern: empty string
• Limit: null

Output: [ empty string ]

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