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Response Modification

Replace String in Response Body Policy

Replace a string in the incoming request body

Configuration

The configuration shows how to configure the policy in the 'policies.json' document.

config/policies.json
{ "name": "my-replace-string-outbound-policy", "policyType": "replace-string-outbound", "handler": { "export": "ReplaceStringOutboundPolicy", "module": "$import(@zuplo/runtime)", "options": { "match": "/(\\d+)/g", "mode": "regexp", "replaceWith": "1234" } } }

Policy Configuration

  • name <string> - The name of your policy instance. This is used as a reference in your routes.
  • policyType <string> - The identifier of the policy. This is used by the Zuplo UI. Value should be replace-string-outbound.
  • handler.export <string> - The name of the exported type. Value should be ReplaceStringOutboundPolicy.
  • handler.module <string> - The module containing the policy. Value should be $import(@zuplo/runtime).
  • handler.options <object> - The options for this policy. See Policy Options below.

Policy Options

The options for this policy are specified below. All properties are optional unless specifically marked as required.

  • mode (required) <string> - The type of string replacement to perform. Allowed values are regexp, string.
  • match (required) <string> - The pattern to match.
  • replaceWith (required) <string> - The value to each match is replaced with.

Using the Policy

Read more about how policies work

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Last modified on June 20, 2026
XML to JSONHTTP Deprecation
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  • Configuration
    • Policy Configuration
    • Policy Options
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