# 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}