proc clear(self: RegEx) {.
gcsafe, locks: 0, raises: [], tags: []
.}

proc compile(self: RegEx; pattern: string): Error {.
gcsafe, locks: 0, raises: [], tags: []
.}

proc search(self: RegEx; subject: string; offset: int64 = 0'i64; endd: int64 = -1'i64): RegExMatch {.

    gcsafe, locks: 0, raises: [Exception], tags: [RootEffect]
.}

proc searchAll(self: RegEx; subject: string; offset: int64 = 0'i64; endd: int64 = -1'i64): Array {.

    gcsafe, locks: 0, raises: [], tags: []
.}

proc sub(self: RegEx; subject: string; replacement: string; all: bool = false;
        offset: int64 = 0'i64; endd: int64 = -1'i64): string {.
gcsafe, locks: 0, raises: [],
    tags: []
.}

proc isValid(self: RegEx): bool {.
gcsafe, locks: 0, raises: [], tags: []
.}

proc getPattern(self: RegEx): string {.
gcsafe, locks: 0, raises: [], tags: []
.}

proc getGroupCount(self: RegEx): int64 {.
gcsafe, locks: 0, raises: [], tags: []
.}

proc getNames(self: RegEx): Array {.
gcsafe, locks: 0, raises: [], tags: []
.}