Custom Selector / :hoboNumber

//Custom Selector
//match to hoboNumber and number width px|em|ex|pt|pc|mm|cm|in and '-'

jQuery.extend(jQuery.expr[":"], {
	hoboNumber   : function(a,i,m){ 
		var b = Number(
				(a.textContent||a.innerText||jQuery(a).text()||"")
					.replace(/,|^-$|(px|em|ex|pt|pc|mm|cm|in)$/g,'')
			);
		return !isNaN(b);
	}
});

#test1

Id	Name	Type	Unit	Memo
1	アイ	さる	1.2em	100,000
2	1クロ	カメ	100px	100,000
3	タマ	ねこ	-	80,000
4	チヤーくん	いぬ	12	5,000,000

#test2 (数値や10pxなどの単位付き数値を右揃えで文字色赤)

Id	Name	Type	Unit	Memo
1	アイ	さる	1.2em	100,000
2	1クロ	カメ	100px	100,000
3	タマ	ねこ	-	80,000
4	チヤーくん	いぬ	12	5,000,000

<script src="../1.2.6/jquery-1.2.6.js" type="text/javascript"></script>
<scripttype="text/javascript">
jQuery.extend(jQuery.expr[":"], {
  hoboNumber   : function(a,i,m){ 
    var b = Number(
        (a.textContent||a.innerText||jQuery(a).text()||"")
          .replace(/,|^-$|(px|em|ex|pt|pc|mm|cm|in)$/g,'')
      );
    return !isNaN(b);
  }
});
</script>

#test1
<table id="test1" border="1">
<tr><th>Id</th><th>Name</th><th>Type</th><th>Unit</th><th>Memo</th></tr>
<tr><td>1</td><td>アイ</td><td>さる</td><td>1.2em</td><td>100,000</td></tr>
<tr><td>2</td><td>1クロ</td><td>カメ</td><td>100px</td><td>100,000</td></tr>
<tr><td>3</td><td>タマ</td><td>ねこ</td><td>-</td><td>80,000</td></tr>
<tr><td>4</td><td>チヤーくん</td><td>いぬ</td><td>12</td><td>5,000,000</td></tr>
</table>

 
#test2
<table id="test2" border="1">
<tr><th>Id</th><th>Name</th><th>Type</th><th>Unit</th><th>Memo</th></tr>
<tr><td>1</td><td>アイ</td><td>さる</td><td>1.2em</td><td>100,000</td></tr>
<tr><td>2</td><td>1クロ</td><td>カメ</td><td>100px</td><td>100,000</td></tr>
<tr><td>3</td><td>タマ</td><td>ねこ</td><td>-</td><td>80,000</td></tr>
<tr><td>4</td><td>チヤーくん</td><td>いぬ</td><td>12</td><td>5,000,000</td></tr>
</table>


<script type=text/javascript>
jQuery(function($){
  $("td:hoboNumber","#test2")
    .css("text-align","right")
    .css("color","red")
})

</script>