String-returning wrappers for some regex matching functions.

* eval.c (eval_init): Register search-regst, match-regst
and match-regst-right intrinsics.

* regex.c (search_regst, match_regst, match_regst_right): New functions.

* regex.h (search_regst, match_regst, match_regst_right): Declared.

* txr.1: Documented new variants.

1 files changed, 3 insertions, 0 deletions

diff --git a/regex.h b/regex.h
index e3d3715d..90695a1d 100644
--- a/regex.h
+++ b/regex.h
@@ -35,6 +35,9 @@ val search_regex(val haystack, val needle_regex, val start_num, val from_end);
 val range_regex(val haystack, val needle_regex, val start_num, val from_end);
 val match_regex(val str, val regex, val pos);
 val match_regex_right(val str, val regex, val end);
+val search_regst(val haystack, val needle_regex, val start_num, val from_end);
+val match_regst(val str, val regex, val pos);
+val match_regst_right(val str, val regex, val end);
 val regsub(val regex, val repl, val str);
 
 void regex_init(void);