Regex for allowing only english language character in textbox

Question

I want to put validation on a textbox which doesnt allow to enter any langugae character except english.For ex. Japanese cannot be entered in textbox.

Pls let me know know if you have any regex for this task.

http://stackoverflow.com/questions/6067592/regular-expression-to-match-only-alphabetic-characters — Dinesh Raja, Oct 30 '12 at 05:53

score 0 · Accepted Answer · answered Nov 11 '12 at 14:45

It's not possible to test for English only but you can test for ASCII characters only, as listed here: http://en.wikipedia.org/wiki/American_Standard_Code_for_Information_Interchange#ASCII_printable_characters

This regex should work, as it only allows characters from 0x20 to 0x7E inclusive:

/^[\x20-\x7E]+$/

Results

This would match (English): I love you

This would match (French): Je t'aime

This would not match (Japanese): 愛している

Regex for allowing only english language character in textbox

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