Denshi Jisho — Online Japanese dictionary

其れ程 それほど to that degree; extent
Common word, Adverb, Usually written using kana alone 

You can also

Look up kanji details for 其れ程.

Try a Yahoo Jisho search for 其れ程 .
Try a Goo Jisho search for 其れ程 .
Try a Google search for 其れ程 .