The following documentation comment has been logged on the website: Page: https://www.postgresql.org/docs/10/static/functions-matching.html Description:
Example: (as a heading) regexp_replace The regexp_replace function provides ... patterns. Syntax: regexp_replace(source, pattern, replacement [, flags ]). Operation: The source string ... replacement text. Flags: optional text ... behavior. Flag g specifies ... Other flags are described in Table 9.22. I see no need to explicitly specify flag i, as it is in the Table.