/// <summary>
/// 字符串校验
/// </summary>
/// <param name="validat">校验类型</param>
/// <param name="text">输入字符串</param>
/// <param name="count">限制长度</param>
/// <returns></returns>
public static string Validate(CharacterValidation validat, string text, int count)
{
if (count > 0)
{
if (count > text.Length)
{
text = text.Substring(0, count);
}
}
switch (validat)
{
case CharacterValidation.Integer:
return(ValidateInteger(text));
case CharacterValidation.Decimal:
return(ValidateDecimal(text));
case CharacterValidation.Alphanumeric:
return(ValidateAlphanumeric(text));
case CharacterValidation.EmailAddress:
return(ValidateEmailAddress(text));
}
return(text);
}
/// <summary>
/// 字符串校验
/// </summary>
/// <param name="validat">校验类型</param>
/// <param name="text">输入字符串</param>
/// <param name="pos">字符位置</param>
/// <param name="ch">插入字符</param>
/// <returns></returns>
public static char Validate(CharacterValidation validat, string text, int pos, char ch)
{
if (validat == CharacterValidation.None)
{
return(ch);
}
if (pos > text.Length)
{
pos = text.Length;
}
if (validat == CharacterValidation.Integer)
{
if (ch == '-')
{
if (text == "")
{
return(ch);
}
if (text.Length > 0)
{
return((char)0);
}
}
if (ch <'0' | ch> '9')
{
return((char)0);
}
return(ch);
}
else if (validat == CharacterValidation.Decimal)
{
if (ch >= '0' && ch <= '9')
{
if (ch == '.')
{
if (text.IndexOf('.') < 0)
{
return(ch);
}
}
return((char)0);
}
return(ch);
}
else if (validat == CharacterValidation.Alphanumeric)
{
// All alphanumeric characters
if (ch >= 'A' && ch <= 'Z')
{
return(ch);
}
if (ch >= 'a' && ch <= 'z')
{
return(ch);
}
if (ch >= '0' && ch <= '9')
{
return(ch);
}
}
else if (validat == CharacterValidation.numberAndName)
{
if (char.IsLetter(ch))
{
// Character following a space should be in uppercase.
if (char.IsLower(ch) && ((pos == 0) || (text[pos - 1] == ' ')))
{
return(char.ToUpper(ch));
}
// Character not following a space or an apostrophe should be in lowercase.
if (char.IsUpper(ch) && (pos > 0) && (text[pos - 1] != ' ') && (text[pos - 1] != '\''))
{
return(char.ToLower(ch));
}
return(ch);
}
if (ch == '\'')
{
// Don't allow more than one apostrophe
if (!text.Contains("'"))
{
// Don't allow consecutive spaces and apostrophes.
if (!(((pos > 0) && ((text[pos - 1] == ' ') || (text[pos - 1] == '\''))) ||
((pos < text.Length) && ((text[pos] == ' ') || (text[pos] == '\'')))))
{
return(ch);
}
}
}
if (ch == ' ')
{
// Don't allow consecutive spaces and apostrophes.
if (!(((pos > 0) && ((text[pos - 1] == ' ') || (text[pos - 1] == '\''))) ||
((pos < text.Length) && ((text[pos] == ' ') || (text[pos] == '\'')))))
{
return(ch);
}
}
if (ch >= '0' && ch <= '9')
{
return(ch);
}
}
else if (validat == CharacterValidation.Name)
{
if (char.IsLetter(ch))
{
// Character following a space should be in uppercase.
if (char.IsLower(ch) && ((pos == 0) || (text[pos - 1] == ' ')))
{
return(char.ToUpper(ch));
}
// Character not following a space or an apostrophe should be in lowercase.
if (char.IsUpper(ch) && (pos > 0) && (text[pos - 1] != ' ') && (text[pos - 1] != '\''))
{
return(char.ToLower(ch));
}
return(ch);
}
if (ch == '\'')
{
// Don't allow more than one apostrophe
if (!text.Contains("'"))
{
// Don't allow consecutive spaces and apostrophes.
if (!(((pos > 0) && ((text[pos - 1] == ' ') || (text[pos - 1] == '\''))) ||
((pos < text.Length) && ((text[pos] == ' ') || (text[pos] == '\'')))))
{
return(ch);
}
}
}
if (ch == ' ')
{
// Don't allow consecutive spaces and apostrophes.
if (!(((pos > 0) && ((text[pos - 1] == ' ') || (text[pos - 1] == '\''))) ||
((pos < text.Length) && ((text[pos] == ' ') || (text[pos] == '\'')))))
{
return(ch);
}
}
}
else if (validat == CharacterValidation.EmailAddress)
{
if (ch >= 'A' && ch <= 'Z')
{
return(ch);
}
if (ch >= 'a' && ch <= 'z')
{
return(ch);
}
if (ch >= '0' && ch <= '9')
{
return(ch);
}
if (ch == '@' && text.IndexOf('@') == -1)
{
return(ch);
}
if (EmailCharacters.IndexOf(ch) != -1)
{
return(ch);
}
if (ch == '.')
{
char lastChar = (text.Length > 0) ? text[UnityEngine.Mathf.Clamp(pos, 0, text.Length - 1)] : ' ';
char nextChar = (text.Length > 0) ? text[UnityEngine.Mathf.Clamp(pos + 1, 0, text.Length - 1)] : '\n';
if (lastChar != '.' && nextChar != '.')
{
return(ch);
}
}
}
return((char)0);
}
