RosettaCodeData/Task/Determine-if-a-string-is-numeric/Befunge/determine-if-a-string-is-numeric.bf
2023-07-01 13:44:08 -04:00

10 lines
715 B
Beef

~:0\`#v_:"+"-!#v_:"-"-!#v_::"E"-\"e"-*#v_ v
v _v# < < 0<
>~:0\`#v_>::"0"-0\`\"9"-0`+!#v_:"."-!#v_::"E"-\"e"-*!#v_ v
^ $< > > $ v
>~:0\`#v_>::"0"-0\`\"9"-0`+!#v_:"."-!#v_::"E"-\"e"-*!#v_> v>
^ $< >$~:0\`#v_:"+"-#v_v
v $_v# < < :#<
>~:0\`#v_>::"0"-0\`\"9"-0`+!#v_:"."-!#v_::"E"-\"e"-*!v 0 > v
^ $< v < << ^_^#-"-"<
> "ciremuN">:#,_@ >>#$_"ciremun toN">:#,_@^ <