SGH / COMPONENTS

  Prism.languages.yaml = {
  	'scalar': {

  		pattern: /([\-:]\s*(![^\s]+)?[ \t]*[|>])[ \t]*(?:((?:\r?\n|\r)[ \t]+)[^\r\n]+(?:\3[^\r\n]+)*)/,

  		lookbehind: true,
  		alias: 'string'
  	},

  	'comment': /#.*/,

  	'key': {

  		pattern: /(\s*[:\-,[{\r\n?][ \t]*(![^\s]+)?[ \t]*)[^\r\n{[\]},#]+?(?=\s*:\s)/,

  		lookbehind: true,
  		alias: 'atrule'
  	},
  	'directive': {

  		pattern: /(^[ \t]*)%.+/m,

  		lookbehind: true,
  		alias: 'important'
  	},
  	'datetime': {

  		pattern: /([:\-,[{]\s*(![^\s]+)?[ \t]*)(\d{4}-\d\d?-\d\d?([tT]|[ \t]+)\d\d?:\d{2}:\d{2}(\.\d*)?[ \t]*(Z|[-+]\d\d?(:\d{2})?)?|\d{4}-\d{2}-\d{2}|\d\d?:\d{2}(:\d{2}(\.\d*)?)?)(?=[ \t]*($|,|]|}))/m,

  		lookbehind: true,
  		alias: 'number'
  	},
  	'boolean': {

  		pattern: /([:\-,[{]\s*(![^\s]+)?[ \t]*)(true|false)[ \t]*(?=$|,|]|})/im,

  		lookbehind: true,
  		alias: 'important'
  	},
  	'null': {

  		pattern: /([:\-,[{]\s*(![^\s]+)?[ \t]*)(null|~)[ \t]*(?=$|,|]|})/im,

  		lookbehind: true,
  		alias: 'important'
  	},
  	'string': {

  		pattern: /([:\-,[{]\s*(![^\s]+)?[ \t]*)("(?:[^"\\]|\\.)*"|'(?:[^'\\]|\\.)*')(?=[ \t]*($|,|]|}))/m,

  		lookbehind: true
  	},
  	'number': {

  		pattern: /([:\-,[{]\s*(![^\s]+)?[ \t]*)[+\-]?(0x[\da-f]+|0o[0-7]+|(\d+\.?\d*|\.?\d+)(e[\+\-]?\d+)?|\.inf|\.nan)[ \t]*(?=$|,|]|})/im,

  		lookbehind: true
  	},
  	'tag': /![^\s]+/,
  	'important': /[&*][\w]+/,

  	'punctuation': /---|[:[\]{}\-,|>?]|\.\.\./

  };