var emailcheck = /\b(([^0-9])[a-zA-Z0-9]([^0-9]))+\@([a-zA-Z0-9](([^0-9])[^0-9]))+\.(([^0-9])[a-zA-Z0-9]([^0-9]))\b/i;
var webcheck = /\b([a-zA-Z0-9\.])+([a-zA-Z0-9\-])+\.([a-zA-Z0-9\-\.])+[\/a-zA-Z0-9]\b/i;
var ip_exp = /\b(([^0-9]{0,})[0-9]([^0-9]{0,})){1,3}[.]([0-9](([^0-9]{0,})[^0-9]{0,})){1,3}[.](([^0-9]{0,})[0-9]([^0-9]{0,})){1,3}[.](([^0-9]{0,})[0-9]([^0-9]{0,})){1,3}\b/i;
var phone_exp = /([+]+[0-9]){0,}([(]+[0-9]+[)]+){0,}[0-9]+[-]+[0-9]+[-]+[0-9]+/i;
var digits = /\b(([^\s]{0,})[0-9]([^\s]{0,})){5,}\b/i;