Log Message:-----------Document regexp_matches() better and show example of single-row usage.
Modified Files:-------------- pgsql/doc/src/sgml: func.sgml (r1.515 -> r1.516) (http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/func.sgml?r1=1.515&r2=1.516)
