title: TITLE VALIDATION in JavaScript for REGEXP which can take alphanumeric and can take Special char [, / ( ) & - : . space]
body: <p>For my website , i need a REGEXP in java script  for validation TITLE which can take alphabates, digits and Special char set [, / ( ) &amp; - : . space], but if any user enter only single and double spaces or single or double .. like [..] in title  or double digit [1 2] then it's should not allowed, atlest one aplhabate is required. please help</p>