Odd Numbers
"^\d*[13579]$"
Even Numbers
"^\d*[02468]$"
Run of Odds with a , and potential whitespace separator
"$\s*(\d*[13579]\s*,\s*)*\d*[13579]$"
Run of Evens with a , and potential whitespace separator
"$\s*(\d*[02468]\s*,\s*)*\d*[02468]$"