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with tab(pn) as (select '7(900) 123 34 56' from dual union select '7-900-123-34-57' from dual union select '79001233458' from dual --Как привести телефоны к виду: +7(900)-123-34-56 ) ,m_tab(pn) as (select lpad(replace(trim(translate(pn, '() -.+', '*')), '*'),7,'#') from tab ) select *--'+'||substr() from m_tab

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