str='name,title,email1|email2|email3,phone,address'
echo $str
echo $str | sed 's/|[^|,]*//g'
c3RyPSduYW1lLHRpdGxlLGVtYWlsMXxlbWFpbDJ8ZW1haWwzLHBob25lLGFkZHJlc3MnCmVjaG8gJHN0cgplY2hvICRzdHIgfCBzZWQgJ3MvfFtefCxdKi8vZyc=
name,title,email1|email2|email3,phone,address
name,title,email1,phone,address