Improve performance by not checking empty strings or strings not containing ':' for URLs (issue #2374).
Improve performance by not checking empty strings or strings not containing ':' for URLs (issue #2374).

zammad/zammad,zammad/zammad,monotek/zammad,zammad/zammad,monotek/zammad,zammad/zammad,zammad/zammad,monotek/zammad,monotek/zammad,monotek/zammad,zammad/zammad,monotek/zammad