#   This program is free software: you can redistribute it and/or modify
#   it under the terms of the GNU General Public License as published by
#   the Free Software Foundation, either version 3 of the License, or
#   (at your option) any later version.
#
#   This program is distributed in the hope that it will be useful,
#   but WITHOUT ANY WARRANTY; without even the implied warranty of
#   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#   GNU General Public License for more details.
#
#   You should have received a copy of the GNU General Public License
#   along with this program.  If not, see <http://www.gnu.org/licenses/>.
#
# pattern matching and replacement operators with multibyte characters

LANG=en_US.UTF-8

s1='abcådef'
s2='Ã¥'
s3='ḅć'

s23=${s2}${s3}

echo ${s1/$s2/xxx}
echo ${s1/$s3/xxx}

echo ${s23/#$s2/}
echo ${s23/%$s3/}

echo ${s23/#$s2/prepend}
echo ${s23/%$s3/append}

echo ${s2/#/prepend}
echo ${s3/%/append}

echo ${s2/#/}
echo ${s3/%/}

recho ${s2/$s2/}
recho ${s3/$s3/}

# posix pattern replacements

echo ${s23##$s2}
echo ${s23#$s2}

echo ${s23%%$s3}
echo ${s23%$s3}

# fail

echo ${s2/#ab/xx}
echo ${s3/%ab/xx}

echo ${s2#ab}
echo ${s2##ab}

echo ${s3%ab}
echo ${s3%%ab}