private RegexMutation AnchorRemoval(AnchorNode node, RegexNode root)
{
var span = node.GetSpan();
return(new RegexMutation
{
OriginalNode = node,
DisplayName = "Regex anchor removal mutation",
Description = $"Anchor \"{root.ToString().Substring(span.Start, span.Length)}\" was removed at offset {span.Start}.",
ReplacementPattern = root.RemoveNode(node).ToString()
});
}