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# Factorio Prototype Docs Version 2.0.77

# ComparatorString - Prototype Docs

## ComparatorString :: union

A string that specifies how the inputs should be compared.

#### Union members

`"="` | "equal to"
`">"` | "greater than"
`"<"` | "lesser than"
`"≥"` | "greater than or equal to"
`">="` | "greater than or equal to"
`"≤"` | "lesser than or equal to"
`"<="` | "lesser than or equal to"
`"≠"` | "not equal to"
`"!="` | "not equal to"

Type used in

- CircuitConditionConnector::comparator
- EntityIDFilter::comparator
- ItemIDFilter::comparator