How to use the @hapi/hoek.escapeRegex function in @hapi/hoek

// Mixed parameter

            const seg = {
                length: parts.length,
                first: typeof parts[0] !== 'string',
                segments: []
            };

            let finger = '';
            let regex = '^';
            for (let j = 0; j < parts.length; ++j) {
                const part = parts[j];
                if (typeof part === 'string') {
                    finger = finger + part;
                    regex = regex + Hoek.escapeRegex(part);
                    seg.segments.push(part);
                }
                else {
                    Hoek.assert(params.indexOf(part.name) === -1, 'Cannot repeat the same parameter name:', part.name, 'in:', path);
                    params.push(part.name);

                    finger = finger + '?';
                    regex = regex + '(.' + (part.empty ? '*' : '+') + ')';
                }
            }

            seg.mixed = new RegExp(regex + '$', (!this.settings.isCaseSensitive ? 'i' : ''));
            fingers.push(finger);
            segments.push(seg);
        }
    }

if (settings.origin === 'ignore') {
        settings._origin = false;
    }
    else if (settings.origin.indexOf('*') !== -1) {
        Hoek.assert(settings.origin.length === 1, 'Cannot specify cors.origin * together with other values');
        settings._origin = true;
    }
    else {
        settings._origin = {
            qualified: [],
            wildcards: []
        };

        for (const origin of settings.origin) {
            if (origin.indexOf('*') !== -1) {
                settings._origin.wildcards.push(new RegExp('^' + Hoek.escapeRegex(origin).replace(/\\\*/g, '.*').replace(/\\\?/g, '.') + '$'));
            }
            else {
                settings._origin.qualified.push(origin);
            }
        }
    }

    return settings;
};