javascript - Regexp for css font declaration -

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This is a font declaration in CSS: 

  Font: bold italic small caps 1em / 1.5mm standard, non-serif;

This is a regexp working to get value in px: 

  value.match (/ (normal | italic)? \ S * (normal | small caps) \ s * (normal | bold | bolder | light | 100 | 200 | 300 | 400 | 500 | 600 | 700 | 800 | 900) \ s * (\ d +) pixels (?? \ /(normal[[dd.[+))?ss+(.*)/);

and helps me to get it: 

  var fontStyle = match [1], // font variant // fontVariant = match not used [2], FontWeight = Match [3], fontSize = Match [4], LineHight = Match [5], FontFamily = Match [6];

I would like to parse any value for font size or linehead not just px, but 

  [px | Cm | Mm | Em | Pt | Pc In]

But I am not able to modify it. Can anyone help?

The end result: 

  (normal | italic)? \ S * (normal | small-caps)? \ S * (normal | bold | boulder | light | 100 | 200 | 30 | 400 | 500 | 600 | 700 | 800 | 900 |) * (\ d + (?: | Pixels | cm | mm | to | pt | | In PC |)? *) (?: \ / (General | [\ d.] +))? \ S + (. *)

Simply enter px : 

  (\ d + (?: Px | cm | mm | em | pt | 
 
 
  Update:  Now the value has been captured. 
 
 / div>

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