Prism.languages['visual-basic'] = {
	'comment': {
		pattern: /(?:['‘’]|REM\b)(?:[^\r\n_]|_(?:\r\n?|\n)?)*/i,
		inside: {
			'keyword': /^REM/i
		}
	},
	'directive': {
		pattern: /#(?:Const|Else|ElseIf|End|ExternalChecksum|ExternalSource|If|Region)(?:[^\S\r\n]_[^\S\r\n]*(?:\r\n?|\n)|.)+/i,
		alias: 'comment',
		greedy: true
	},
	'string': {
		pattern: /\$?["“”](?:["“”]{2}|[^"“”])*["“”]C?/i,
		greedy: true
	},
	'date': {
		pattern: /#[^\S\r\n]*(?:\d+([/-])\d+\1\d+(?:[^\S\r\n]+(?:\d+[^\S\r\n]*(?:AM|PM)|\d+:\d+(?::\d+)?(?:[^\S\r\n]*(?:AM|PM))?))?|(?:\d+[^\S\r\n]*(?:AM|PM)|\d+:\d+(?::\d+)?(?:[^\S\r\n]*(?:AM|PM))?))[^\S\r\n]*#/i,
		alias: 'builtin'
	},
	'number': /(?:(?:\b\d+(?:\.\d+)?|\.\d+)(?:E[+-]?\d+)?|&[HO][\dA-F]+)(?:U?[ILS]|[FRD])?/i,
	'boolean': /\b(?:True|False|Nothing)\b/i,
	'keyword': /\b(?:AddHandler|AddressOf|Alias|And(?:Also)?|As|Boolean|ByRef|Byte|ByVal|Call|Case|Catch|C(?:Bool|Byte|Char|Date|Dbl|Dec|Int|Lng|Obj|SByte|Short|Sng|Str|Type|UInt|ULng|UShort)|Char|Class|Const|Continue|Date|Decimal|Declare|Default|Delegate|Dim|DirectCast|Do|Double|Each|Else(?:If)?|End(?:If)?|Enum|Erase|Error|Event|Exit|Finally|For|Friend|Function|Get(?:Type|XMLNamespace)?|Global|GoSub|GoTo|Handles|If|Implements|Imports|In|Inherits|Integer|Interface|Is|IsNot|Let|Lib|Like|Long|Loop|Me|Mod|Module|Must(?:Inherit|Override)|My(?:Base|Class)|Namespace|Narrowing|New|Next|Not(?:Inheritable|Overridable)?|Object|Of|On|Operator|Option(?:al)?|Or(?:Else)?|Out|Overloads|Overridable|Overrides|ParamArray|Partial|Private|Property|Protected|Public|RaiseEvent|ReadOnly|ReDim|RemoveHandler|Resume|Return|SByte|Select|Set|Shadows|Shared|short|Single|Static|Step|Stop|String|Structure|Sub|SyncLock|Then|Throw|To|Try|TryCast|TypeOf|U(?:Integer|Long|Short)|Using|Variant|Wend|When|While|Widening|With(?:Events)?|WriteOnly|Xor)\b/i,
	'operator': [
		/[+\-*/\\^<=>&#@$%!]/,
		{
			pattern: /([^\S\r\n])_(?=[^\S\r\n]*[\r\n])/,
			lookbehind: true
		}
	],
	'punctuation': /[{}().,:?]/
};

Prism.languages.vb = Prism.languages['visual-basic'];