Replacing English Digits with Persian Digits by their Unicode character codes with a condition

Replacing English Digits with Persian Digits by their Unicode character
codes with a condition

References

Reference NO 1

http://stackoverflow.com/questions/15195284/replacing-english-digits-with-persian-digits-by-their-unicode-character-codes-wi

Reference NO 2

http://stackoverflow.com/questions/18431822/replace-persian-or-arabic-sentence-to-randomly-generated-english

Reference NO 3

http://en.wikipedia.org/wiki/Unicode

Reference NO 4

http://en.wikipedia.org/wiki/UTF-8

Reference NO 5

http://docs.pervasive.com/products/integration/download/encoding.pdf

Reference NO 6

http://www.unicode.org/versions/Unicode6.1.0/ch15.pdf

Reference NO 7

#EANF#

Reference NO 8

#EANF#