6.4.2.1.2. Bidirectional Properties

Please refer to the Unicode Standard for an explanation of the algorithm for Bidirectional Behavior and an explanation of the sigificance of these categories. These values are normative.Strong types

Code	Meaning
L	Left-Right Most alphabetic, syllabic, and logographic characters (e.g., CJK ideographs)
R	Right-Left Arabic, Hebrew, and punctuation specific to those scripts

Weak types

Code	Meaning
EN	European Number
ES	European Number Separator
ET	European Number Terminator
AN	Arabic Number
CS	Common Number Separator

Separators

Code	Meaning
B	Block Separator
S	Segment Separator

Neutrals

Code	Meaning
WS	Whitespace
ON	Other Neutrals All other characters: punctuation, symbols