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Documentation / Mathematica / Built-in Functions / Programming / Pattern Matching /

Blank

FilledSmallSquare _ or Blank[ ] is a pattern object that can stand for any Mathematica expression.

FilledSmallSquare _h or Blank[h] can stand for any expression with head h.

FilledSmallSquare The head h in _h cannot itself contain pattern objects.

FilledSmallSquare See Section 2.3.1.

FilledSmallSquare See also: Pattern, Optional, ForAll.

FilledSmallSquare New in Version 1.

Further Examples