Determine if a string is numeric: Difference between revisions

Content added Content deleted

Inline

@@ Line 391: / Line 391: @@
 <lang d>import std.stdio, std.string, std.conv;
-bool isNumeric(string s) {
+bool isNumeric(in string s) /*pure*/ {
     try
         to!real(s.strip());
@@ Line 402: / Line 402: @@
     foreach (s; ["12", " 12\t", "hello12", "-12", "02",
                  "0-12", "+12", "1.5"])
-        writeln(`isNumeric("`, s, `") = `, isNumeric(s));
+        writefln(`isNumeric("%s") = %s`, s, isNumeric(s));
     writeln("\nNo hex or binary conversion:");
     foreach (s; ["0x10", "6b"])
-        writeln(`isNumeric("`, s, `") = `, isNumeric(s));
+        writefln(`isNumeric("%s") = %s`, s, isNumeric(s));
 }</lang>
 Output: