public static bool IsMatch(this char c, CharType type)
{
if (type.HasFlag(CharType.Space))
{
if (Char.IsWhiteSpace(c))
{
return(true);
}
}
if (type.HasFlag(CharType.NonSpace))
{
if (!Char.IsWhiteSpace(c))
{
return(true);
}
}
if (type.HasFlag(CharType.Digit))
{
if (Char.IsDigit(c))
{
return(true);
}
}
if (type.HasFlag(CharType.Letter))
{
if (Char.IsLetter(c))
{
return(true);
}
}
//if (type.HasFlag(CharType.Dot)) if (c == '.') return true;
return(false);
}
public string RandomString(int mintLength, int maxLength, CharType charType = CharType.AlphaUpper | CharType.AlphaLower | CharType.Numeric | CharType.Special)
{
var length = Random.Next(mintLength, maxLength);
StringBuilder sb = new StringBuilder(length);
var types = (charType.HasFlag(CharType.AlphaUpper) ? 1 : 0) +
(charType.HasFlag(CharType.AlphaLower) ? 1 : 0) +
(charType.HasFlag(CharType.Numeric) ? 1 : 0) +
(charType.HasFlag(CharType.Special) ? 1 : 0);
var probabilityAlphaUpper = charType.HasFlag(CharType.AlphaUpper) ? length - types : 0;
var probabilityAlphaLower = charType.HasFlag(CharType.AlphaLower) ? length - types : 0;
var probabilityNumeric = charType.HasFlag(CharType.Numeric) ? length - types : 0;
var probabilitySpecial = charType.HasFlag(CharType.Special) ? length - types : 0;
while (length > 0)
{
Char c = default(Char);
var roll = Random.Next(probabilityAlphaUpper + probabilityAlphaLower + probabilityNumeric + probabilitySpecial);
if (roll > probabilityAlphaUpper + probabilityAlphaLower + probabilityNumeric)
{
c = CharSet.Special[Random.Next(CharSet.Special.Length)];
--probabilitySpecial;
}
else if (roll > probabilityAlphaUpper + probabilityAlphaLower)
{
c = CharSet.Numeric[Random.Next(CharSet.Numeric.Length)];
--probabilityNumeric;
}
else if (roll > probabilityAlphaUpper)
{
c = Char.ToUpper(CharSet.Alpha[Random.Next(CharSet.Alpha.Length)]);
--probabilityAlphaUpper;
}
else
{
c = Char.ToLower(CharSet.Alpha[Random.Next(CharSet.Alpha.Length)]);
--probabilityAlphaLower;
}
sb.Append(c);
--length;
}
return(sb.ToString());
}
public static bool IsMatch(this char c, CharType type)
{
if (type.HasFlag(CharType.Inverse))
{
return(!c.IsMatch(type ^ CharType.Inverse));
}
if (type.HasFlag(CharType.Space))
{
if (Char.IsWhiteSpace(c))
{
return(true);
}
}
if (type.HasFlag(CharType.NonSpace))
{
if (!Char.IsWhiteSpace(c))
{
return(true);
}
}
if (type.HasFlag(CharType.Digit))
{
if (Char.IsDigit(c))
{
return(true);
}
}
if (type.HasFlag(CharType.Letter))
{
if (Char.IsLetter(c))
{
return(true);
}
}
if (type.HasFlag(CharType.LeftBracket))
{
if (c == '(')
{
return(true);
}
}
if (type.HasFlag(CharType.RightBracket))
{
if (c == ')')
{
return(true);
}
}
if (type.HasFlag(CharType.LeftSquareBracket))
{
if (c == '[')
{
return(true);
}
}
if (type.HasFlag(CharType.RightSquareBracket))
{
if (c == ']')
{
return(true);
}
}
return(false);
}
public static bool CharIsType(char C, CharType T)
{
CharType CT = GetCharType(C);
return(CT == T || T.HasFlag(CT));
}