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Ingy döt Net 2023-07-01 11:58:00 -04:00
parent 7387c8f97b
commit cb5bb5e222
199093 changed files with 3378972 additions and 0 deletions
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25
Task/Determine-if-a-string-is-numeric/XPL0/determine-if-a-string-is-numeric.xpl0 Normal file
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@ -0,0 +1,25 @@
string 0;
func IsNumeric(Str);
char Str;
[while Str(0) # 0 do
[if Str(0) >= ^0 and Str(0) <= ^9 then return true;
if Str(0) = ^$ then
[if Str(1) >= ^0 and Str(1) <= ^9 then return true;
if Str(1) >= ^A and Str(1) <= ^F then return true;
if Str(1) >= ^a and Str(1) <= ^f then return true;
];
Str:= Str+1;
];
return false;
];
int Strs, S;
[Text(0, "Are these strings numeric?^m^j");
Strs:= ["1", "3.14", "-100", "1e2", "NaN", "$af", "%1_1011", "rose", ". 3", "num9", "x$ 9", "x$ a"];
for S:= 0 to 12-1 do
[Text(0, if IsNumeric(Strs(S)) then "yes : " else "no : ");
Text(0, Strs(S));
CrLf(0);
];
]