Regex Studio

/[\w-\.]+@([\w-]+\.)+[\w-]{2,4}/

/^(?=.*[A-Za-z])(?=.*\d)[A-Za-z\d]{8,}$/

/\b(?:\d{1,3}\.){3}\d{1,3}\b/

/\d{4}-\d{2}-\d{2}/

/https?:\/\/(www\.)?[-a-zA-Z0-9@:%._\+~#=]{1,256}\.[a-zA-Z0-9()]{1,6}\b([-a-zA-Z0-9()@:%_\+.~#?&//=]*)/

/#?([a-fA-F0-9]{6}|[a-fA-F0-9]{3})/

/\(?([0-9]{3})\)?[-. ]?([0-9]{3})[-. ]?([0-9]{4})/