/// <summary>
/// Create the optional regular expression.
/// </summary>
public ReExpr MOption(ReExpr re)
{
Contract.Requires(re != null);
Contract.Ensures(Contract.Result<ReExpr>() != null);
return new ReExpr(this, Native.Z3_mk_re_option(nCtx, re.NativeObject));
}
/// <summary>
/// Check for regular expression membership.
/// </summary>
public BoolExpr MkInRe(SeqExpr s, ReExpr re)
{
Contract.Requires(s != null);
Contract.Requires(re != null);
Contract.Ensures(Contract.Result<BoolExpr>() != null);
CheckContextMatch(s, re);
return new BoolExpr(this, Native.Z3_mk_seq_in_re(nCtx, s.NativeObject, re.NativeObject));
}
