[TD_SYSFNLIB.] REGEXP_SPLIT_TO_TABLE ( inkey, source_string, regexp_string, match_arg )
Syntax Elements
- TD_SYSFNLIB.
- Name of the database where the function is located.
-
inkey
- A numeric or character argument that uniquely identifies the source_string in the output result set.
- If the inkey is NULL, an empty string is returned.
-
source_string
- A character argument.
- If source_string is NULL, 0 rows are returned. Zero rows are also returned if the source_string is the empty string.
-
regexp_string
- A character argument.
- If regexp_string is NULL, the original source_string is returned.
-
match_arg
-
A character argument.
- Valid values are:
- 'i' = case-insensitive matching.
- 'c' = case sensitive matching.
- 'n' = the period character (match any character) can match the newline character.
- 'm' = source_string is treated as multiple lines instead of as a single line. With this option, the '^' and '$' characters apply to each line in source_string instead of the entire source_string.
- 'l' = if source_string exceeds the current maximum allowed source_string size (currently 16 MB), a NULL is returned instead of an error. This is useful for long-running queries where you do not want long strings causing an error that would make the query fail. Although the maximum source_string size is 16 MB, the resulting token can only be VARCHAR, and has a maximum return token size of 64000 bytes.
- If match_arg is not specified, an error is returned.
- If there is no match, the original source_string is returned.
-
outkey
- The value of inkey.
-
token_ndx
- The ordinal position of the token in the input string.
-
token
- A character argument.
- The token from the input string in the same character set as instring.
REGEXP_SPLIT_TO_TABLE does not support the output type of CLOB in the token section.