c# - Can't find some values in array -


i have array of strings, each string built form "<x> <y>". if y starts on 'n', seems program not be able find it.

so, strings don't work are.

"w north", "w n", "walk n", "walk north"

can explain why?

string[] next = { "next", "ne", "nx", "nxt" }; string[] yes = { "yes", "y" }; string[] no = { "no", "n" }; string[] clear = { "clear", "c" }; string[] = { "help", "h" }; string[] walk =          {              "w north",              "w south",             "w west",             "w east",             "w n",             "w s",             "w w",             "w e",             "walk north",             "walk south",             "walk west",             "walk east" ,             "walk n",             "walk s",             "walk w",             "walk e"         };  //checks if input match arrays public string input(string input) {     input = input.tolower();     if (next.any(input.contains))     {         return "next";     }     else if (yes.any(input.contains))     {         return "yes";     }     else if (no.any(input.contains))     {         return "no";     }     else if (clear.any(input.contains))     {         return "clear";     }     else if (help.any(input.contains))     {         return "help";     }     else if (walk.any(input.contains))     {         messagebox.show("test input");         location c_locations = new location();         c_locations.change_location(input);         return "walk";     }     else     {         return "not found";     } }

the strings: "w north", "w n", "walk n" , "walk north", should run part of code:

else if (walk.any(input.contains)) {     messagebox.show( "test input" );     location c_locations = new location();     c_locations.change_location( input );     return "walk"; }

the reason code not work in content of no array: contains single-letter string "n". string makes

no.any( input.contains )

evaluate true input string contains letter 'n'.

in order fix problem, can move checks walk top of if/then/else chain. however, solution not overly robust: "yellow" classified "yes", "cat" become "clear", , on.


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