BF: Cannot invite user with dash in their user id (https://github.com/vector-im/vector-ios/issues/812)
BF: Cannot invite user with dash in their user id (https://github.com/vector-im/vector-ios/issues/812)

Fix user id regex

matrix-org/matrix-ios-sdk,matrix-org/matrix-ios-sdk,matrix-org/matrix-ios-sdk,matrix-org/matrix-ios-sdk,matrix-org/matrix-ios-sdk