public static string ReplaceGroups(IEnumerable<Group> groups, string input, GroupEvaluator evaluator)
{
if (evaluator == null)
throw new ArgumentNullException(nameof(evaluator));
var sb = new StringBuilder();
int index = 0;
foreach (Group group in groups)
{
sb.Append(input, index, group.Index - index);
sb.Append(evaluator(group));
index = group.Index + group.Length;
}
sb.Append(input, index, input.Length - index);
return sb.ToString();
}
private static string ReplaceGroups(string input, IEnumerable<Group> groups, GroupEvaluator evaluator, bool rightToLeft)
{
if (rightToLeft)
groups = groups.Reverse();
var sb = new StringBuilder();
int index = 0;
foreach (Group group in groups)
{
sb.Append(input, index, group.Index - index);
sb.Append(evaluator(group));
index = group.Index + group.Length;
}
sb.Append(input, index, input.Length - index);
return sb.ToString();
}
public static string ReplaceGroups(this Regex regex, string input, int groupNumber, GroupEvaluator evaluator)
{
return RegexReplace.ReplaceGroups(EnumerateSuccessGroups(regex, input, groupNumber), input, evaluator);
}
private static string ReplaceGroups(string input, IEnumerable <Group> groups, GroupEvaluator evaluator, bool rightToLeft)
{
if (rightToLeft)
{
groups = groups.Reverse();
}
var sb = new StringBuilder();
int index = 0;
foreach (Group group in groups)
{
sb.Append(input, index, group.Index - index);
sb.Append(evaluator(group));
index = group.Index + group.Length;
}
sb.Append(input, index, input.Length - index);
return(sb.ToString());
}
public static string ReplaceGroups(Regex regex, string input, int groupNumber, GroupEvaluator evaluator)
{
return(ReplaceGroups(input, regex.EnumerateSuccessGroups(input, groupNumber), evaluator, regex.RightToLeft));
}
public static string ReplaceGroups(Regex regex, string input, int groupNumber, GroupEvaluator evaluator)
{
return ReplaceGroups(input, regex.EnumerateSuccessGroups(input, groupNumber), evaluator, regex.RightToLeft);
}