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| author | Tom Lane <tgl@sss.pgh.pa.us> | 2015-11-03 11:57:56 -0500 |
|---|---|---|
| committer | Tom Lane <tgl@sss.pgh.pa.us> | 2015-11-03 11:57:56 -0500 |
| commit | fc0b8935213cda555d2b3af2ed08da28ed120e31 (patch) | |
| tree | 762b0a66964ac7450cffb3e547c6d1690baedba6 /doc/src | |
| parent | a69b0b2c14c614c129e89ae96d6f624375531760 (diff) | |
| download | postgresql-fc0b8935213cda555d2b3af2ed08da28ed120e31.tar.gz postgresql-fc0b8935213cda555d2b3af2ed08da28ed120e31.zip | |
Remove obsolete advice about doubling backslashes in regex escapes.
Standard-conforming literals have been the default for long enough that
it no longer seems necessary to go out of our way to tell people to write
regex escapes illegibly.
Diffstat (limited to 'doc/src')
| -rw-r--r-- | doc/src/sgml/func.sgml | 10 |
1 files changed, 0 insertions, 10 deletions
diff --git a/doc/src/sgml/func.sgml b/doc/src/sgml/func.sgml index 4d482ec91f0..60b9a090739 100644 --- a/doc/src/sgml/func.sgml +++ b/doc/src/sgml/func.sgml @@ -4656,16 +4656,6 @@ SELECT foo FROM regexp_split_to_table('the quick brown fox', E'\\s*') AS foo; Non-capturing parentheses do not define subexpressions. </para> - <note> - <para> - Keep in mind that an escape's leading <literal>\</> will need to be - doubled when entering the pattern as an SQL string constant. For example: -<programlisting> -'123' ~ E'^\\d{3}' <lineannotation>true</lineannotation> -</programlisting> - </para> - </note> - <table id="posix-character-entry-escapes-table"> <title>Regular Expression Character-entry Escapes</title> |