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I generally stay away from regular expressions because I seldom find a good use for them. But in this case, I don’t think I have choice.
I need a regex for the following situation. I will be looking at three character strings. It will be a match if the first character is 1-9 or the letters o,n,d (lower or upper) AND the second character is 1,2 or 3 and the third character is 0-9.
Can anybody help me out?
Slight variation on a few other answers. Restrict the input to be exactly the matched text.