public static long CountAllSpaces(this string text)
{
return text.CountAll(c => (c == ' '));
}
public static long CountAllWhitespaceCharacters(this string text)
{
return text.CountAll(c => (c.IsWhitespaceCharacter()));
}
public static long CountAllLettersAndDigitsAnd(this string text, char additionalCharacterToKeep)
{
return text.CountAll(c => (char.IsLetterOrDigit(c) || c == additionalCharacterToKeep));
}
public static long CountAllLettersAndDigitsAnd(this string text, char[] additionalCharactersToKeep)
{
return text.CountAll(c => (char.IsLetterOrDigit(c) || additionalCharactersToKeep.Contains(c)));
}
public static long CountAllLettersAndDigits(this string text)
{
return text.CountAll(char.IsLetterOrDigit);
}
public static long CountAllLetters(this string text)
{
return text.CountAll(char.IsLetter);
}
public static long CountAllDigits(this string text)
{
return text.CountAll(char.IsDigit);
}
public static long CountAll(this string text, char[] charactersToCount)
{
return text.CountAll(charactersToCount.Contains);
}
public static long CountAll(this string text, char characterToCount)
{
return text.CountAll(c => c == characterToCount);
}
