>>>It will find it, look closer at this solution.
>>
>>No, it won't
>>(1) it pads with spaces
>>(2) it does not use upper() nor lower()
>
>I agree with upper/lower/proper, but what's wrong with the spaces except for CHR(13)/10 ?

it will not find king in

king.

>>>? ' '+'king'+' ' $ ' '+'king and I'+' '
>>>? ' '+'king'+' ' $ ' '+'you are the king'+' '
>>>? ' '+'king'+' ' $ ' '+'kingsolomon and I'+' '
>>>

>>thit won't find king. or King at the beginning of a line
>>regex works perfectly.