released 5.0

faster SIMD regex search methods; improved anchor and word boundary matching speed and support; new `std::string_view strview()` matcher method.
Genivia · Oct 29, 2024 · aa99680 · aa99680
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diff --git a/README.md b/README.md
@@ -18,7 +18,7 @@ for lex and syntax error reporting, lexer rule execution performance profiling,
 and other new features.
 
 Only RE/flex supports POSIX regex lazy matching in linear time using an
-advanced DFA transformation algorithm invented by Dr. Robert van Engelen.
+advanced DFA transformation algorithm (invented by Dr. Robert van Engelen.)
 
 RE/flex is faster than Flex and much faster than regex libraries such as
 Boost.Regex, C++11 std::regex, PCRE2 and RE2.  For example, tokenizing a 2 KB
@@ -58,7 +58,7 @@ efficiency.  By default, RE/flex uses DFA-based extended regular expression
 matching in linear time, the fastest method (as shown in the table).
 
 The RE/flex matcher tracks line numbers, column numbers, and indentations,
-whereas Flex does not (option noyylineno) and neither do the other regex
+whereas Lex and Flex do not (option noyylineno) and neither do the other regex
 matchers in the table (except PCRE2 and Boost.Regex when used with RE/flex).
 Tracking this information incurs some overhead.  RE/flex also automatically
 decodes UTF-8/16/32 input and accepts `std::istream`, strings, and wide strings
@@ -605,6 +605,7 @@ Changelog
 - May 12, 2024: 4.3.0 faster `Matcher::find()` with refactored SIMD (SSE2/AVX2/AVX512BW/NEON/AArch64) code; larger default 256KB buffer (from 128KB).
 - Jun  6, 2024: 4.4.0 upgraded `reflex::Matcher` and `reflex::FuzzyMatcher` to respect Unicode word boundaries instead of only ASCII `\<`, `\>`, `\b`, `\B`; upgraded regex Unicode converters to Unicode `[::]` character classes instead of only ASCII `[[:alpha:]]` etc.; improved FSM code generation without local c0.
 - Aug  1, 2024: 4.5.0 minor speed improvements.
+- Oct 29, 2024: 5.0.0 faster SIMD regex search methods; improved anchor and word boundary matching speed and support; new `std::string_view strview()` matcher method.
 
 [logo-url]: https://www.genivia.com/images/reflex-logo.png
 [reflex-url]: https://www.genivia.com/reflex.html

diff --git a/bin/win32/reflex.exe b/bin/win32/reflex.exe
diff --git a/bin/win64/reflex.exe b/bin/win64/reflex.exe
diff --git a/configure b/configure
@@ -1,6 +1,6 @@
 #! /bin/sh
 # Guess values for system-dependent variables and create Makefiles.
-# Generated by GNU Autoconf 2.72 for re-flex 4.5.0.
+# Generated by GNU Autoconf 2.72 for re-flex 5.0.0.
 #
 # Report bugs to <https://github.com/Genivia/RE-flex/issues>.
 #
@@ -605,8 +605,8 @@ MAKEFLAGS=
 # Identity of this package.
 PACKAGE_NAME='re-flex'
 PACKAGE_TARNAME='reflex'
-PACKAGE_VERSION='4.5.0'
-PACKAGE_STRING='re-flex 4.5.0'
+PACKAGE_VERSION='5.0.0'
+PACKAGE_STRING='re-flex 5.0.0'
 PACKAGE_BUGREPORT='https://github.com/Genivia/RE-flex/issues'
 PACKAGE_URL=''
 
@@ -1332,7 +1332,7 @@ if test "$ac_init_help" = "long"; then
   # Omit some internal or obsolete options to make the list less imposing.
   # This message is too long to be a string in the A/UX 3.1 sh.
   cat <<_ACEOF
-'configure' configures re-flex 4.5.0 to adapt to many kinds of systems.
+'configure' configures re-flex 5.0.0 to adapt to many kinds of systems.
 
 Usage: $0 [OPTION]... [VAR=VALUE]...
 
@@ -1403,7 +1403,7 @@ fi
 
 if test -n "$ac_init_help"; then
   case $ac_init_help in
-     short | recursive ) echo "Configuration of re-flex 4.5.0:";;
+     short | recursive ) echo "Configuration of re-flex 5.0.0:";;
    esac
   cat <<\_ACEOF
 
@@ -1506,7 +1506,7 @@ fi
 test -n "$ac_init_help" && exit $ac_status
 if $ac_init_version; then
   cat <<\_ACEOF
-re-flex configure 4.5.0
+re-flex configure 5.0.0
 generated by GNU Autoconf 2.72
 
 Copyright (C) 2023 Free Software Foundation, Inc.
@@ -1857,7 +1857,7 @@ cat >config.log <<_ACEOF
 This file contains any messages produced by compilers while
 running configure, to aid debugging if configure makes a mistake.
 
-It was created by re-flex $as_me 4.5.0, which was
+It was created by re-flex $as_me 5.0.0, which was
 generated by GNU Autoconf 2.72.  Invocation command line was
 
   $ $0$ac_configure_args_raw
@@ -3365,7 +3365,7 @@ fi
 
 # Define the identity of the package.
  PACKAGE='reflex'
- VERSION='4.5.0'
+ VERSION='5.0.0'
 
 
 printf "%s\n" "#define PACKAGE \"$PACKAGE\"" >>confdefs.h
@@ -6944,7 +6944,7 @@ cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
 # report actual input values of CONFIG_FILES etc. instead of their
 # values after options handling.
 ac_log="
-This file was extended by re-flex $as_me 4.5.0, which was
+This file was extended by re-flex $as_me 5.0.0, which was
 generated by GNU Autoconf 2.72.  Invocation command line was
 
   CONFIG_FILES    = $CONFIG_FILES
@@ -7012,7 +7012,7 @@ ac_cs_config_escaped=`printf "%s\n" "$ac_cs_config" | sed "s/^ //; s/'/'\\\\\\\\
 cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
 ac_cs_config='$ac_cs_config_escaped'
 ac_cs_version="\\
-re-flex config.status 4.5.0
+re-flex config.status 5.0.0
 configured by $0, generated by GNU Autoconf 2.72,
   with options \\"\$ac_cs_config\\"
 

diff --git a/configure.ac b/configure.ac
@@ -1,4 +1,4 @@
-AC_INIT([re-flex],[4.5.0],[https://github.com/Genivia/RE-flex/issues],[reflex])
+AC_INIT([re-flex],[5.0.0],[https://github.com/Genivia/RE-flex/issues],[reflex])
 AM_INIT_AUTOMAKE([foreign subdir-objects])
 AC_CONFIG_HEADERS([config.h])
 AC_COPYRIGHT([Copyright (C) 2016-2024 Robert van Engelen, Genivia Inc.])

diff --git a/doc/html/abslexer_8h.html b/doc/html/abslexer_8h.html
diff --git a/doc/html/abslexer_8h__incl.map b/doc/html/abslexer_8h__incl.map
@@ -1,10 +1,10 @@
 <map id="abslexer.h" name="abslexer.h">
-<area shape="rect" id="node2" href="$input_8h.html" title="RE/flex input character sequence class. " alt="" coords="283,155,379,182"/>
-<area shape="rect" id="node9" href="$absmatcher_8h.html" title="RE/flex abstract matcher base class and pattern matcher class. " alt="" coords="679,80,815,107"/>
-<area shape="rect" id="node3" href="$utf8_8h.html" title="RE/flex UCS to UTF&#45;8 converters. " alt="" coords="213,230,303,257"/>
-<area shape="rect" id="node10" href="$convert_8h.html" title="RE/flex regex converter. " alt="" coords="434,155,545,182"/>
-<area shape="rect" id="node14" href="$debug_8h.html" title="RE/flex debug logs and assertions. " alt="" coords="1083,155,1187,182"/>
-<area shape="rect" id="node16" href="$traits_8h.html" title="Type traits for (non&#45;)const type inference. " alt="" coords="569,155,666,182"/>
-<area shape="rect" id="node17" href="$simd_8h.html" title="RE/flex SIMD primitives. " alt="" coords="742,155,838,182"/>
-<area shape="rect" id="node11" href="$error_8h.html" title="RE/flex regex errors. " alt="" coords="599,230,692,257"/>
+<area shape="rect" id="node2" href="$input_8h.html" title="RE/flex input character sequence class. " alt="" coords="81,155,178,182"/>
+<area shape="rect" id="node10" href="$absmatcher_8h.html" title="RE/flex abstract matcher base class and pattern matcher class. " alt="" coords="381,80,516,107"/>
+<area shape="rect" id="node3" href="$utf8_8h.html" title="RE/flex UCS to UTF&#45;8 converters. " alt="" coords="208,230,299,257"/>
+<area shape="rect" id="node11" href="$convert_8h.html" title="RE/flex regex converter. " alt="" coords="717,155,828,182"/>
+<area shape="rect" id="node15" href="$debug_8h.html" title="RE/flex debug logs and assertions. " alt="" coords="893,155,996,182"/>
+<area shape="rect" id="node17" href="$traits_8h.html" title="Type traits for (non&#45;)const type inference. " alt="" coords="202,155,300,182"/>
+<area shape="rect" id="node18" href="$simd_8h.html" title="RE/flex SIMD primitives. " alt="" coords="545,155,642,182"/>
+<area shape="rect" id="node12" href="$error_8h.html" title="RE/flex regex errors. " alt="" coords="814,230,907,257"/>
 </map>
diff --git a/doc/html/abslexer_8h__incl.md5 b/doc/html/abslexer_8h__incl.md5
@@ -1 +1 @@
-7452a3556b0aa2d610a5d727eda2113c
+898959d8e27a556624d1fbf3314829a8
diff --git a/doc/html/abslexer_8h__incl.png b/doc/html/abslexer_8h__incl.png
diff --git a/doc/html/absmatcher_8h.html b/doc/html/absmatcher_8h.html
diff --git a/doc/html/absmatcher_8h__incl.map b/doc/html/absmatcher_8h__incl.map
@@ -1,9 +1,9 @@
 <map id="absmatcher.h" name="absmatcher.h">
 <area shape="rect" id="node2" href="$convert_8h.html" title="RE/flex regex converter. " alt="" coords="309,80,421,107"/>
 <area shape="rect" id="node9" href="$debug_8h.html" title="RE/flex debug logs and assertions. " alt="" coords="5,80,109,107"/>
-<area shape="rect" id="node11" href="$input_8h.html" title="RE/flex input character sequence class. " alt="" coords="606,80,703,107"/>
-<area shape="rect" id="node15" href="$traits_8h.html" title="Type traits for (non&#45;)const type inference. " alt="" coords="738,80,835,107"/>
-<area shape="rect" id="node16" href="$simd_8h.html" title="RE/flex SIMD primitives. " alt="" coords="910,80,1007,107"/>
+<area shape="rect" id="node11" href="$input_8h.html" title="RE/flex input character sequence class. " alt="" coords="557,80,653,107"/>
+<area shape="rect" id="node16" href="$traits_8h.html" title="Type traits for (non&#45;)const type inference. " alt="" coords="1030,80,1127,107"/>
+<area shape="rect" id="node17" href="$simd_8h.html" title="RE/flex SIMD primitives. " alt="" coords="858,80,955,107"/>
 <area shape="rect" id="node3" href="$error_8h.html" title="RE/flex regex errors. " alt="" coords="234,155,328,182"/>
-<area shape="rect" id="node12" href="$utf8_8h.html" title="RE/flex UCS to UTF&#45;8 converters. " alt="" coords="504,155,594,182"/>
+<area shape="rect" id="node12" href="$utf8_8h.html" title="RE/flex UCS to UTF&#45;8 converters. " alt="" coords="643,155,733,182"/>
 </map>
diff --git a/doc/html/absmatcher_8h__incl.md5 b/doc/html/absmatcher_8h__incl.md5
@@ -1 +1 @@
-990f950248ac6dcdf9a8360c1600b1de
+6787e5b05140d567232b4fd974e5edfd
diff --git a/doc/html/absmatcher_8h__incl.png b/doc/html/absmatcher_8h__incl.png