I tidied the tidied. 

my $val = 101.24;
print match_decimal_format( 3, 2, $val ) ? "Valid!\n" : "Invalid...\n"
+;

sub match_decimal_format {
    my ( $leading, $trailing, $number ) = @_;
    return $number =~ m/^ [0-9]{$leading} \. [0-9]{$trailing} $/x;
}

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In reply to Re^3: floating point validation by Your Mother
in thread floating point validation by govindkailas

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