Why words are shuffled when I insert English words in any Arabic/Urdu/Persian text on Notepad or MS Word?

Question

I can write Arabic/Urdu/Persian on MS Word or Notepad just fine, but whenever I insert any English word or number, the sequence is just disturbed and seems like the all the

Answer 1

This is OK; they're not shuffled: you're seeing them in LTR rendering mode.

You just need to make them right-to-left. In Notepad or Word, press right Ctrl+Shift to make their direction right-to-left and it will be okay. (It's like having

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in HTML).

The control characters LRE and RLE (0x202A and 0x202B) and also LRM and RLM (0x200E and 0x200F) need to be applied to the whole paragraph, i.e they should come at the beginning of the sequence. Some text display widgets of some platforms may discard these control characters though, particularly older (pre-2000) platforms or those who do not support Unicode bidirectional algorithm correctly. Newer OS'es and programs should be fine; try with Windows Notepad for example.

I personally recommend using the platform's means to make the text RTL, and avoid special control characters because they're invisible and may cause surprising results if they go out of control. So you'd better use Word's API to make the text RTL, or if your output is HTML put them in

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tags. For plain text file, user has to manually press the Ctrl+Shift keys himself.