Lösungen
Teradata
with t (txt) as
(
select '
select /* comment /* yada yada yada /* / // bla bla bla
1
*/ t1.i
,''"SRC''''"'' as "This''is''the
''source"
from t1 /* "Comment 2" - '' */ cross join t2 -- /* comment 3 */
where t2.v = ''/*DST"*
/'' -- comment 4'
)
select regexp_replace (txt,'(''.*?''|".*?")|/\*.*?\*/|--.*?(?=[\r\n]|$)','\1',1,0,'n') as clean_txt
from t
;
Orakel
with t (txt) as
(
select '
select /* comment /* yada yada yada /* / // bla bla bla
1
*/ t1.i
,''"SRC''''"'' as "This''is''the
''source"
from t1 /* "Comment 2" - '' */ cross join t2 -- /* comment 3 */
where t2.v = ''/*DST"*
/'' -- comment 4'
from dual
)
select regexp_replace (txt,'(''.*?''|".*?")|/\*.*?\*/|--.*?(?=$|\Z)','\1',1,0,'nm')
from t
;
Ergebnis
select t1.i
,'"SRC''"' as "This'is'the
'source"
from t1 cross join t2
where t2.v = '/*DST"*
/'
