• ← LetterQ
• → StringMatchQ

StringFreeQ

WMA link

StringFreeQ["string", patt]

returns True if no substring in string matches the string expression patt, and returns False otherwise.

StringFreeQ[{“s1”, “s2”, ...}, patt]

returns the list of results for each element of string list.

StringFreeQ[“string”, {p1, p2, ...}]

returns True if no substring matches any of the pi.

StringFreeQ[patt]

represents an operator form of StringFreeQ that can be applied to an expression.

• • StringFreeQ["mathics3", "m" ~~ __ ~~ "s"]

• • StringFreeQ["mathics3", "a" ~~ __ ~~ "m"]

• • StringFreeQ["Mathics3", "MA" , IgnoreCase -> True]

• • StringFreeQ[{"g", "a", "laxy", "universe", "sun"}, "u"]

• • StringFreeQ["e" ~~ ___ ~~ "u"] /@ {"The Sun", "Mercury", "Venus", "Earth", "Mars", "Jupiter", "Saturn", "Uranus", "Neptune"}

• • StringFreeQ[{"A", "Galaxy", "Far", "Far", "Away"}, {"F" ~~ __ ~~ "r", "aw" ~~ ___}, IgnoreCase -> True]