How to pass multiple repeating table field values to the text field with semi colon(;)

Eval(eval(RepeatingGp, 'concat(substring(my:Name, 1, (current() = /my:myFields/my:FieldsGp/my:RepeatingGp) * string-length(my:Name)), substring(concat(my:Name, "; "), 1, (not(current() = /my:myFields/my:FieldsGp/my:RepeatingGp)) * string-length(concat(my:Name, "; "))), ";")'), "..")