Initialize strong regex Test gsub on strong regex rgx1 = '[abc]' typeof(rgx1) = 'regexp' rgx2 = '[abc]' typeof(rgx2) = 'regexp' Test gsub() a strong regex rgx1 = '[abc]' typeof(rgx1) = 'regexp' rgx2 = '[aec]' typeof(rgx2) = 'regexp' Test value not found in regex rgx1 = '[abc]' typeof(rgx1) = 'regexp' Test gsub on numbers v1 = '12345' typeof(v1) = 'number' v2 = '12345' typeof(v2) = 'number' v1 = '12345' typeof(v1) = 'number' v2 = '12x45' typeof(v2) = 'string' Test value not found in number v1 = '12345' typeof(v1) = 'number' Test gensub on regex a = @/abc/ typeof(a) = 'regexp' c = "axc" typeof(c) = 'string' Test value not found in regex b = @/abc/ typeof(b) = 'regexp' c = "abc" typeof(c) = 'string' Test gensub on numbers a = "12345" typeof(a) = 'number' b = "12345" typeof(b) = 'number' c = "12x45" typeof(c) = 'string' Test value not found in number b = "12345" typeof(b) = 'number' c = "12345" typeof(c) = 'string' string 12345