sed -i -E "s/еж([аиу][^а-я])/ёжик\1/g" *ru*
grep -E "еж[аиу][^а-я]" *ru*
Comment: [^а-я] includes all spaces and punctuation and also finish of string
#!/bin/bash
# Downloads and install a .dmg from a URL
#
# Usage
# $ dmg_pkg_install [url]
#
# Adopted from https://gist.github.com/afgomez/4172338
if [[ $# -lt 1 ]]; then
echo "Usage: dmg_pkg_install [url]"
exit 1
fi
url=$*
# Generate a random file name
tmp_file=/tmp/`openssl rand -base64 10 | tr -dc '[:alnum:]'`.dmg
# Download file
echo "Downloading $url..."
curl -# -L -o $tmp_file $url
echo "Mounting image..."
volume=`hdiutil mount $tmp_file | tail -n1 | perl -nle '/(\/Volumes\/[^ ]+)/; print $1'`
# Locate .pkg
app_pkg=`find $volume/. -name *.pkg -maxdepth 1 -print0`
echo "Install pkg..."
installer -pkg $app_pkg -target /
# Unmount volume, delete temporal file
echo "Cleaning up..."
hdiutil unmount $volume -quiet
rm $tmp_file
echo "Done!"
exit 0