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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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9
Task/Determine-if-a-string-is-numeric/D/determine-if-a-string-is-numeric-1.d Normal file
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import std.stdio, std.string, std.array;
void main() {
foreach (const s; ["12", " 12\t", "hello12", "-12", "02",
"0-12", "+12", "1.5", "1,000", "1_000",
"0x10", "0b10101111_11110000_11110000_00110011",
"-0b10101", "0x10.5"])
writefln(`isNumeric("%s"): %s`, s, s.strip().isNumeric(true));
}

27
Task/Determine-if-a-string-is-numeric/D/determine-if-a-string-is-numeric-2.d Normal file
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import std.stdio, std.string, std.conv, std.array, std.exception;
bool isNumeric(in string s) pure {
immutable s2 = s.strip.toLower.replace("_", "").replace(",", "");
try {
s2.to!real;
} catch (ConvException e) {
if (s2.startsWith("0x"))
return !s2[2 .. $].to!ulong(16)
.collectException!ConvException;
else if (s2.startsWith("0b"))
return !s2[2 .. $].to!ulong(2)
.collectException!ConvException;
else
return false;
}
return true;
}
void main() {
foreach (immutable s; ["12", " 12\t", "hello12", "-12", "02",
"0-12", "+12", "1.5", "1,000", "1_000",
"0x10", "0b10101111_11110000_11110000_00110011",
"-0b10101", "0x10.5"])
writefln(`isNumeric("%s"): %s`, s, s.isNumeric);
}