Prevent rand_numeric allowing leading zeros by default

Author: rastating

lib/wpxf/utility/text.rb

@@ -8,9 +8,12 @@ module Utility
     module Text
       # Generate a random numeric string.
       # @param length [Integer] the number of characters to include.
+      # @param allow_leading_zero [Boolean] if set to true, will allow a number starting with zero.
       # @return [String] a random numeric string.
-      def self.rand_numeric(length)
-        Array.new(length) { [*'0'..'9'].sample }.join
+      def self.rand_numeric(length, allow_leading_zero = false)
+        value = Array.new(length) { [*'0'..'9'].sample }.join
+        value[0] = [*'1'..'9'].sample unless allow_leading_zero
+        value
       end
 
       # Generate a random alphanumeric string.