Script takes from 'Clipboard' (Ctrl+v) string value and create branch lowercased and under scored name. See example INPUT/OUTPUT in the script comment

quickGitFlow.sh

#!/bin/bash

######
# Example: 
# INPUT: "XXXX-888 [iOS] Fix Floating Button"
# OUTPUT: "feature/xxxx-888_fix_floating_button"
######

remove_spaces () 
{
	echo $1 | tr ' ' _
}

lowercase () 
{
	echo $1 | awk '{print tolower($0)}'
}

remove_ios_keyword () 
{	
	echo ${1//\[iOS\]_/}
}

switch_to_dev_branch () 
{
	git pull
	git checkout dev
}

create_and_switch_to_branch () 
{
	branch_name=$1

	git checkout -b $branch_name
	git checkout $branch_name
}

# lowercase, change spaces to '_' and remove [ios] from passed string
prepare_branch_name () 
{
	raw_name="$1"
	branch_path_name=$(remove_spaces "$raw_name")
	branch_path_name=$(remove_ios_keyword $branch_path_name)

	echo "feature/"$branch_path_name
}

run ()
{
	clipboard_value=$(pbpaste)
	branch_name=$(prepare_branch_name "$clipboard_value")

	echo "Create branch [y/n]: "$branch_name

	read decision
	if [ $decision == "y" ]
	then
		switch_to_dev_branch
		create_and_switch_to_branch $branch_name
		echo "💥 Branch created: "$branch_name
	fi
}

run

remove special characters like:
/, ', ",... , etc...
Check which characters are not allowed also