Bash: split string on delimiter and echo substring before/after

split_repo.zsh

giturls=(
  mattmc3/antidote
  git@github.com:mattmc3/antidote.git
  https://github.com/mattmc3/antidote
)
for url in $giturls; do
  url=${url%.git}
  url=${url:gs/\:/\/}
  user=${${url%/*}##*/}
  repo=${url##*/}
  echo $url $user/$repo
done

split_repo_example.sh

# http://tldp.org/LDP/abs/html/string-manipulation.html
function split_repo() {
  local gitpath="${1:-github.com/mattmc3/myrepo}"
  echo "\$gitpath                  = $gitpath"
  echo "repo part \${gitpath##*/}  = ${gitpath##*/}"
  echo "user/repo \${gitpath#*/}   = ${gitpath#*/}"
  echo "url \${gitpath%%/*}        = ${gitpath%%/*}"
  echo "giturl/user \${gitpath%/*} = ${gitpath%/*}"
  echo "user \${\${gitpath%/*}#*/}  = ${${gitpath%/*}#*/}"
}

function split_repo2() {
  local gitpath="$1"
  local giturl="bbgithub.com"
  local repo="${gitpath##*/}"
  local usernm="${gitpath%/*}"
  if [[ "$usernm" == */* ]]; then
    giturl="${usernm%/*}"
    usernm="${usernm#*/}"
  fi
}

split_repo "bitbucket.org/joeuser/myrepo"

string_split.bash

# split on the slash
value=start/end
echo start ${value%/*}
echo end ${value#*/}

# split on the colon
value=start:end
echo start ${value%:*}
echo end ${value#*:}