public static bool IsValidCSharpIdentifier(string toTest)
{
if (toTest.Length == 0) // obviously..?
{
return(false);
}
if (SingleType.IsCSharpKeyword(toTest)) // best to avoid any complications
{
return(false);
}
char[] letters = toTest.ToCharArray();
char first = letters[0];
if (first != '_' && !validFirstChars.Contains(CharUnicodeInfo.GetUnicodeCategory(first)))
{
return(false);
}
foreach (char c in letters)
{
if (!validCSharpChars.Contains(CharUnicodeInfo.GetUnicodeCategory(c)))
{
return(false);
}
}
return(true);
// TODO: fix this regex method, replace the above method with it,
// and get rid of the three UnicodeCategory arrays
// (regex method found at https://stackoverflow.com/a/1904462/4036588)
//const string start = @"(\p{Lu}|\p{Ll}|\p{Lt}|\p{Lm}|\p{Lo}|\p{Nl})";
//const string extend = @"(\p{Mn}|\p{Mc}|\p{Nd}|\p{Pc}|\p{Cf})";
//Regex ident = new Regex(string.Format("{0}({0}|{1})*", start, extend));
//toTest = toTest.Normalize();
//return ident.IsMatch(toTest);
}
