Verbatim (Built-in Mathematica Symbol)

Verbatim[expr] represents expr in pattern matching, requiring that expr be matched exactly as it appears, with no substitutions for blanks or other transformations.

Shortest (Built-in Mathematica Symbol)

Shortest[p] is a pattern object that matches the shortest sequence consistent with the pattern p.

Longest (Built-in Mathematica Symbol)

Longest[p] is a pattern object that matches the longest sequence consistent with the pattern p.

Repeated (Built-in Mathematica Symbol)

p .. or Repeated[p] is a pattern object that represents a sequence of one or more expressions, each matching p. Repeated[p, max] represents up to max expressions matching ...

Blank (Built-in Mathematica Symbol)

_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.

StringCases (Built-in Mathematica Symbol)

StringCases["string", patt] gives a list of the substrings in " string" that match the string expression patt. StringCases["string", lhs -> rhs] gives a list of the values of ...

BlankNullSequence (Built-in Mathematica Symbol)

___(three _characters) or BlankNullSequence[] is a pattern object that can stand for any sequence of zero or more Mathematica expressions. ___h or BlankNullSequence[h] can ...

Attributes (Built-in Mathematica Symbol)

Attributes[symbol] gives the list of attributes for a symbol.

Condition (Built-in Mathematica Symbol)

patt /; test is a pattern which matches only if the evaluation of test yields True. lhs :> rhs /; test represents a rule which applies only if the evaluation of test yields ...

BlankSequence (Built-in Mathematica Symbol)

__(two _characters) or BlankSequence[] is a pattern object that can stand for any sequence of one or more Mathematica expressions. __h or BlankSequence[h] can stand for any ...