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String contains

Input
value
Validate that value contains 'LO WO'
validation:
stringContains

Ensure string field contains specified substring

source:value
parameters
substring

Substring that the field must contain

Output
result
Pass
Pass
Pass
String field "value" does not contain "LO WO"
String field "value" does not contain "LO WO"
String field "value" does not contain "LO WO"

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 contains specified substring.

Parameters

  • substring (Substring, string, optional) — Substring that the field must contain. Default: "".

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-stringContains",
"type": "validation",
"action": "stringContains",
"params": {
"substring": "LO WO"
},
"testInputs": [
"XXLO WOXX",
"prefix LO WO suffix",
"contains LO WO",
"missing",
"no match",
"absent"
]
}