String does not match regex
Input
| value |
|---|
Validate that value does not match pattern '^[0-9]+$'
validation:stringDoesNotMatchRegex
Ensure string field does not match regex pattern
source:value
parameters
- pattern
Regex pattern that the field must not match
Output
| result |
|---|
| Pass |
| Pass |
| Pass |
| String field "value" matches unwanted regex pattern "^[0-9]+$" |
| String field "value" matches unwanted regex pattern "^[0-9]+$" |
| String field "value" matches unwanted regex pattern "^[0-9]+$" |
Sample inputs run locally in your browser using the same operation logic as Fontana Flow.
Results are illustrative, not connected to a workflow.
Ensure string field does not match regex pattern.
Parameters
- pattern (Regex Pattern, string, required) — Regex pattern that the field must not match. Examples:
"^test",".*admin.*","^\\d+$".
Field selection
- source — Field whose values this operation reads. Omit to apply to all fields on the row.
- target — Optional output field. When omitted, the source field is updated in place.
JSON Configuration
{ "id": "op-stringDoesNotMatchRegex", "type": "validation", "action": "stringDoesNotMatchRegex", "params": { "pattern": "^[0-9]+$" }, "testInputs": [ "letters", "abc", "text only", "12345", "999", "007" ]}