คุณสมบัติ: Pattern White Space

นับตัวอักษร
11
CHARACTER TABULATION
U+0009
LINE FEED (LF)
U+000A
LINE TABULATION
U+000B
FORM FEED (FF)
U+000C
CARRIAGE RETURN (CR)
U+000D
SPACE
U+0020
…
NEXT LINE (NEL)
U+0085
LEFT-TO-RIGHT MARK
U+200E
RIGHT-TO-LEFT MARK
U+200F
LINE SEPARATOR
U+2028
PARAGRAPH SEPARATOR
U+2029
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