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Built-in Functions / Programming / Pattern Matching /

Blank

Usage

• _ or Blank[ ] is a pattern object that can stand for any Mathematica expression.
• _h or Blank[h] can stand for any expression with head h.


Notes

• The head h in _h cannot itself contain pattern objects.
• See Section 2.3.1.
• See also: Pattern, Optional, ForAll.
• New in Version 1.
Further Examples


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