released 5.1.1

fix a minor issue with case-insentitive matching when regex patterns are specified in certain ways in combination with "string-like" patterns such that one ore more alternating sub-patterns overlap from the start.

README.md

@@ -101,7 +101,7 @@ Features
   regex engines, including the RE/flex regex engine, PCRE2, and Boost.Regex.
 - The RE/flex regex library makes C++11 std::regex, PCRE2, and Boost.Regex much
   easier to use for pattern matching on (wide) strings, files, and streams.
-- IEEE POSIX P1003.2 standard compliant (like Lex and Flex).
+- IEEE POSIX P1003.2 standard compliant like Lex and Flex (but generates C++).
 - Extensive documentation in the online [User Guide][manual-url].
 - Lots of other improvements over Flex++, such as `yypush_buffer_state` saves
   the scanner state (line, column, and indentation positions), not just the
@@ -607,6 +607,7 @@ Changelog
 - 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.
 - Nov 29, 2024: 5.1.0 appease `-Woverload-virtual` and `-Wshadow` warnings; fix a bug in case-insensitive Unicode negated character class matching too much.
+- Jan  9, 2025: 5.1.1 fix a minor issue with case-insentitive matching when regex patterns are specified in certain ways in combination with "string-like" patterns such that one ore more alternating sub-patterns overlap from the start.
 
 [logo-url]: https://www.genivia.com/images/reflex-logo.png
 [reflex-url]: https://www.genivia.com/reflex.html

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 5.1.0.
+# Generated by GNU Autoconf 2.72 for re-flex 5.1.1.
 #
 # 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='5.1.0'
-PACKAGE_STRING='re-flex 5.1.0'
+PACKAGE_VERSION='5.1.1'
+PACKAGE_STRING='re-flex 5.1.1'
 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 5.1.0 to adapt to many kinds of systems.
+'configure' configures re-flex 5.1.1 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 5.1.0:";;
+     short | recursive ) echo "Configuration of re-flex 5.1.1:";;
    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 5.1.0
+re-flex configure 5.1.1
 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 5.1.0, which was
+It was created by re-flex $as_me 5.1.1, 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='5.1.0'
+ VERSION='5.1.1'
 
 
 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 5.1.0, which was
+This file was extended by re-flex $as_me 5.1.1, 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 5.1.0
+re-flex config.status 5.1.1
 configured by $0, generated by GNU Autoconf 2.72,
   with options \\"\$ac_cs_config\\"
 

configure.ac

@@ -1,4 +1,4 @@
-AC_INIT([re-flex],[5.1.0],[https://github.com/Genivia/RE-flex/issues],[reflex])
+AC_INIT([re-flex],[5.1.1],[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.])

doc/Doxyfile

@@ -38,7 +38,7 @@ PROJECT_NAME           = RE/flex
 # could be handy for archiving the generated documentation or if some version
 # control system is used.
 
-PROJECT_NUMBER         = "2.1"
+PROJECT_NUMBER         = "5.1"
 
 # Using the PROJECT_BRIEF tag one can provide an optional one line description
 # for a project that appears at the top of each page and should give viewer a