Character Manipulation Routines

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This topic lists all character manipulation routines.

Routine	Description
System.SysUtils.CharInSet	SysUtils.CharInSet checks whether a given character is contained within a set.
System.Chr	Returns the character for a specified ASCII value.
System.FillChar	Fills contiguous bytes with a specified value.
System.Character.IsControl	Determines whether a UTF-16 character is defined as a control character in the Unicode specifications.
System.Character.IsDigit	Determines whether the UTF-16 character is defined as a digit in the Unicode specifications.
System.Character.IsHighSurrogate	Determines whether a UTF-16 character is defined as a high surrogate in the Unicode specifications.
System.Character.IsLetter	Determines whether a UTF-16 character is defined as a letter in the Unicode specifications.
System.Character.IsLetterOrDigit	Determines whether a UTF-16 character is defined as a letter or a digit in the Unicode specifications.
System.Character.IsLowSurrogate	Determines whether a UTF-16 character is defined as a low surrogate in the Unicode specifications.
System.Character.IsLower	Determines whether a UTF-16 character is defined as lower case in the Unicode specifications.
System.Character.IsNumber	Determines whether a UTF-16 character is defined as a number in the Unicode specifications.
System.Character.IsPunctuation	Determines whether a UTF-16 character is defined as punctuation in the Unicode specifications.
System.Character.IsSeparator	Determines whether a UTF-16 character is defined as a separator in the Unicode specifications.
System.Character.IsSurrogate	Determines whether a UTF-16 character is defined as a surrogate in the Unicode specifications.
System.Character.IsSurrogatePair	Determines whether characters are a valid surrogate pair in the Unicode specifications.
System.Character.IsSymbol	Determines whether a UTF-16 character is defined as a symbol in the Unicode specifications.
System.Character.IsUpper	Determines whether a UTF-16 character is defined as upper case in the Unicode specifications.
System.Character.IsWhiteSpace	Determines whether a UTF-16 character is defined as whitespace in the Unicode specifications.
System.MoveChars	Copies bytes from a source to a destination.
System.Character.ToLower	Converts a UTF-16 character to its lower case equivalent according to the Unicode specification.
System.Character.ToUpper	Converts a UTF-16 char to its upper case equivalent according to the Unicode specification.
System.UpCase	Converts a character to uppercase.

See Also

• The Unicode Standard, Version 5.2
• API Categories Index

Code Examples

• AdvancedCharacterControl (Delphi)
• AdvancedTCharacterControl (Delphi)
• CharacterSurrogates (Delphi)
• CharacterTypes (Delphi)