public static bool IsValidEmail(string Email)//check if the string follows an email structure
{
int AtCount = 0;
foreach (Char C in Email)
{
if (C.ToString() == "@")
{
AtCount++;
} //Increment the amount of @s in the string
else if (!NumberSet.Contains(C) && !LowerSet.Contains(C) && !UpperSet.Contains(C) && C.ToString() != ".")
{
return(false);
} //if the character isnt upper,lower or number
}
if (AtCount != 1)
{
return(false);
} //If we have more than one @ return false to indicate it is invalid
if (!Email.Split("@".ToCharArray())[1].Contains("."))
{
return(false);
} //If the string after the @ doesnt contain a . return false to induicate it is invalid
return(true);
}
public static bool IsValidValueInJsonConfig(string JsonValue)//Check if the value inside the json conforms to our valid charcter set
{
Char PrevC = Char.MinValue;
int ClosableBrackets = 0;
foreach (Char C in JsonValue)
{
if (!LowerSet.Contains(C) && !UpperSet.Contains(C) && !NumberSet.Contains(C) && !SpecialSet.Contains(C))
{//if the character isnt Lower,Upper,Number or special
if (C.ToString() == ">" && ClosableBrackets > 0)
{
ClosableBrackets--;
} //where we have the end of a paramater decreas the closable bracket count
else if (C.ToString() != "<")
{ //if it isnt the start or end of a bracket return false to indicate that it is invalid
return(false);
}
}
else if (PrevC.ToString() == "<" && C.ToString() == "@")
{
ClosableBrackets++;
} //Where we have a start of a paramater increase the closable bracket count
PrevC = C; //Set the last character
}
return(ClosableBrackets == 0); //If we have closed all paramater brackets
}
public static bool IsAlphaNumericString(string Str)//Check if all characters in the String are either numbers or letters
{
foreach (Char C in Str)
{
if (!NumberSet.Contains(C) && !LowerSet.Contains(C) && !UpperSet.Contains(C))
{
return(false);
}
}
return(true);
}
public static bool IsValidPassword(string Password)//Check if the string contains at least 1 capital,number and special
{
bool HasNumeric = false, HasCapital = false, HasSpecial = false;
foreach (Char C in Password)
{
if (UpperSet.Contains(C))
{
HasCapital = true;
}
else if (NumberSet.Contains(C))
{
HasNumeric = true;
}
else if (SpecialSet.Contains(C))
{
HasSpecial = true;
}
}
return(HasCapital && HasNumeric && HasSpecial);
}
