# `QueryDslRegexpQuery` [interface-QueryDslRegexpQuery]

| Name | Type | Description |
| - | - | - |
| `case_insensitive` | boolean | Allows case insensitive matching of the regular expression value with the indexed field values when set to `true`. When `false`, case sensitivity of matching depends on the underlying field’s mapping. |
| `flags` | string | Enables optional operators for the regular expression. |
| `max_determinized_states` | [integer](./integer.md) | Maximum number of automaton states required for the query. |
| `rewrite` | [MultiTermQueryRewrite](./MultiTermQueryRewrite.md) | Method used to rewrite the query. |
| `value` | string | Regular expression for terms you wish to find in the provided field. |