public static List<StringWithIndex> SplitWithoutModificationRegex(this StringWithIndex text, string regexStr)
{
var parts = new List<StringWithIndex>();
var regex = new Regex(regexStr);
var area = text.Text;
var prevIndex = 0;
var m = regex.Match(area);
while (m.Success)
{
var index = m.Index;
parts.Add(text.Substring(prevIndex, index - prevIndex));
prevIndex = index;
m = regex.Match(area, index + 1);
}
// Add last part
parts.Add(text.Substring(prevIndex, area.Length - prevIndex));
return parts;
}
public static List<StringWithIndex> SplitAfterFirstLine(this StringWithIndex text)
{
var area = text.Text;
var lineBreakIndex = area.IndexOf("\r\n");
return new List<StringWithIndex>() {
text.Substring(0, lineBreakIndex),
text.Substring(lineBreakIndex+2)
};
}
public static StringWithIndex TrimStart(this StringWithIndex text, params char[] chars)
{
var trimmed = text.Text.TrimStart(chars);
var lengthDiff = text.Length - trimmed.Length;
return text.Substring(lengthDiff, text.Length - lengthDiff);
}
public static StringWithIndex ReplaceEnd(this StringWithIndex text, string match, string replacement)
{
if (text.Text.EndsWith(match))
{
return text.Substring(0, text.Text.Length - match.Length);
}
else
{
return text;
}
}
public static StringWithIndex ReplaceStart(this StringWithIndex text, string match, string replacement)
{
if (text.Text.StartsWith(match))
{
return text.Substring(match.Length);
}
else
{
return text;
}
}
public static StringWithIndex TrimStart(this StringWithIndex text, params string[] starts)
{
var trimmed = text.Text;
foreach (var s in starts.OrderByDescending(s => s.Length))
{
if (trimmed.StartsWith(s))
{
trimmed = trimmed.ReplaceStart(s, "");
break;
}
}
var lengthDiff = text.Length - trimmed.Length;
return text.Substring(lengthDiff, text.Length - lengthDiff);
}