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I made the patch that implements regexp_replace again.

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The specification of this function is as follows.

regexp_replace(source text, pattern text, replacement text, [flags
text])
returns text

Replace string that matches to regular expression in source text to
replacement text.

 - pattern is regular expression pattern.
 - replacement is replace string that can use '\1'-'\9', and '\&'.
    '\1'-'\9': back reference to the n'th subexpression.
    '\&'     : entire matched string.
 - flags can use the following values:
    g: global (replace all)
    i: ignore case
    When the flags is not specified, case sensitive, replace the first
    instance only.

Atsushi Ogawa
This commit is contained in:
Bruce Momjian
2005-07-10 04:54:33 +00:00
parent 73e2431817
commit 75a64eeb4b
10 changed files with 418 additions and 55 deletions
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5
src/include/utils/builtins.h
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@@ -7,7 +7,7 @@
* Portions Copyright (c) 1996-2005, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $PostgreSQL: pgsql/src/include/utils/builtins.h,v 1.259 2005/07/06 19:02:54 momjian Exp $
* $PostgreSQL: pgsql/src/include/utils/builtins.h,v 1.260 2005/07/10 04:54:32 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@@ -429,6 +429,8 @@ extern Datum nameicregexne(PG_FUNCTION_ARGS);
extern Datum texticregexeq(PG_FUNCTION_ARGS);
extern Datum texticregexne(PG_FUNCTION_ARGS);
extern Datum textregexsubstr(PG_FUNCTION_ARGS);
extern Datum textregexreplace_noopt(PG_FUNCTION_ARGS);
extern Datum textregexreplace(PG_FUNCTION_ARGS);
extern Datum similar_escape(PG_FUNCTION_ARGS);
/* regproc.c */
@@ -566,6 +568,7 @@ extern List *textToQualifiedNameList(text *textval);
extern bool SplitIdentifierString(char *rawstring, char separator,
List **namelist);
extern Datum replace_text(PG_FUNCTION_ARGS);
extern Datum replace_text_regexp(PG_FUNCTION_ARGS);
extern Datum split_text(PG_FUNCTION_ARGS);
extern Datum text_to_array(PG_FUNCTION_ARGS);
extern Datum array_to_text(PG_FUNCTION_ARGS);