import type { GraderFn } from "../types.js";
/** Options for the `regex` grader. */
export interface RegexOptions {
    /** RegExp flags (e.g., `"i"` for case-insensitive, `"s"` for dotAll). Only used when `pattern` is a string. */
    readonly flags?: string | undefined;
}
/** Checks that output.text matches the given regex pattern. */
export declare function regex(pattern: string | RegExp, options?: RegexOptions): GraderFn;
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