/// <summary>
/// If s has *? characters, prepends "**t ".
/// s can be null.
/// </summary>
public static string EscapeWildex(string s)
{
if (AWildex.HasWildcardChars(s))
{
s = "**t " + s;
}
return(s);
}
/// <summary>
/// If s has *? characters, prepends "**t ".
/// But if s has single * character, converts to "**r regexp" that ignores it. Because single * often is used to indicate unsaved state.
/// If canMakeVerbatim and makes regex or s contains '\' and no newlines/controlchars, prepends @" and appends " and replaces all " with "".
/// s can be null.
/// </summary>
public static string EscapeWindowName(string s, bool canMakeVerbatim)
{
if (s == null)
{
return(s);
}
if (AWildex.HasWildcardChars(s))
{
int i = s.IndexOf('*');
if (i >= 0 && s.IndexOf('*', i + 1) < 0)
{
s = "**r " + ARegex.EscapeQE(s.Remove(i)) + @"\*?" + ARegex.EscapeQE(s.Substring(i + 1));
}
else
{
s = "**t " + s;
}
}
if (canMakeVerbatim && s.IndexOf('\\') >= 0 && !s.RegexIsMatch(@"[\x00-\x1F\x85\x{2028}\x{2029}]"))
{
s = "@\"" + s.Replace("\"", "\"\"") + "\"";
}
return(s);
}