replaceAll

Replaces every occurrence of pattern with replacement in a string.

Options

Option	Type	Required	Default	Description
`pattern`	`string`	Yes	—	Literal substring to find.
`replacement`	`string`	Yes	—	Substring to insert in place of each match.

Example

Input

JSON

"foo bar foo"

Operation

JSON

{ "type": "replaceAll", "options": { "pattern": "foo", "replacement": "qux" } }

Output

JSON

"qux bar qux"

In a Circuit Step

JSON

{
  "name": "scrub_placeholders",
  "description": "Replace every `{{name}}` placeholder with the actual user name",
  "function": "circuit.core.transform.json",
  "input": {
    "source": "${{ input.template }}",
    "operations": [
      {
        "type": "replaceAll",
        "options": {
          "pattern": "{{name}}",
          "replacement": "${{ input.user_name }}"
        }
      }
    ]
  },
  "outputs": [
    {
      "name": "rendered_template",
      "description": "Template with all `{{name}}` placeholders replaced",
      "value": "${{ scrub_placeholders.output.transformed_result }}"
    }
  ]
}

Notes & gotchas

Errors with replaceAll: expected string if the input is not a string.
pattern is treated as a literal substring, not a regex.
An empty pattern will insert replacement between every character — match Rust's String::replace semantics.
For first-only replacement, use replace.

replaceAll

replaceAll

Options

Example

In a Circuit Step

Notes & gotchas

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