regular expression for WORDS with space special characters : need regular expression for replace below string into below wrapper format 

Example: C# Regular expression for combination of space, alpha and special-character. Also for delta

out: <span>C# <span>Regular <span>expression <span>for <span>combination <span>of </span><span>space<span>,</span> </span><span>alpha </span><span>and </span><span>special</span><span>-</span><span>character</span>. </span><span>Also </span><span>for </span><span>delta</span>