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Character Class Escape ↔ Character Escape for set of characters

\d​

Digits Character Class Escape === [0-9]

\D​

non-Digits Character Class Escape !== [0-9]

\w​

"Word" Character Class Escape === [A-Za-z0-9_]

\W​

non-"Word" Character Class Escape !== [A-Za-z0-9_]

\s​

whiteSpace Character Class Escape to match (space, tab, line terminators)

\S​

non-whiteSpace Character Class Escape

\p​

Unicode Property Escape

References​

  1. \d ↔ Digits Character Class Escape === [0-9]

  2. \D ↔ non-Digits Character Class Escape !== [0-9]

  3. \w ↔ "Word" Character Class Escape === [A-Za-z0-9_]

  4. \W ↔ non-"Word" Character Class Escape !== [A-Za-z0-9_]

  5. \s ↔ whiteSpace Character Class Escape to match (space, tab, line terminators)

  6. \S ↔ non-whiteSpace Character Class Escape