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Posted by Robert Cummings on 06/25/05 04:31
On Fri, 2005-06-24 at 21:02, Dotan Cohen wrote:
> Hi friends, I've got a nice array of contractions (I've, I'd,
> they'll,...). My intent is to take submitted data and replace, say,
> every occurance of 'theyd' with 'they'd'. So far, so good. The trick
> is doing it if the first character is uppercase. I tried going
> throught the array, one by one, and doing the preg_replace twice, once
> for each item, and once for each item with the first letter
> capitalized. It wasn't very succesful, so I've been doing this:
> $the_lyrics=str_replace("\bid\b", "I'd", $the_lyrics);
> $the_lyrics=str_replace("\bi'd\b", "I'd", $the_lyrics);
> $the_lyrics=str_replace("\bId\b", "I'd", $the_lyrics);
> $the_lyrics=str_replace("\bim\b", "I'm", $the_lyrics);
> $the_lyrics=str_replace("\bi'm\b", "I'm", $the_lyrics);
> $the_lyrics=str_replace("\bIm\b", "I'm", $the_lyrics);
> $the_lyrics=str_replace("\bi've\b", "I've", $the_lyrics);
> $the_lyrics=str_replace("\bive\b", "I've", $the_lyrics);
> $the_lyrics=str_replace("\bIve\b", "I've", $the_lyrics);
> $the_lyrics=str_replace("\bi'll\b", "I'll", $the_lyrics);
> $the_lyrics=str_replace("\bIll\b", "I'll", $the_lyrics);
> $the_lyrics=str_replace("\bi\b", "I", $the_lyrics);
> $the_lyrics=str_replace("\byoure\b", "you're", $the_lyrics);
> $the_lyrics=str_replace("\bYoure\b", "You're", $the_lyrics);
> $the_lyrics=str_replace("\byoull\b", "you'll", $the_lyrics);
> $the_lyrics=str_replace("\bYoull\b", "You'll", $the_lyrics);
> $the_lyrics=str_replace("\byouve\b", "you've", $the_lyrics);
> $the_lyrics=str_replace("\bYouve\b", "You've", $the_lyrics);
> $the_lyrics=str_replace("\bits\b", "it's", $the_lyrics);
> $the_lyrics=str_replace("\bIts\b", "It's", $the_lyrics);
> $the_lyrics=str_replace("\bwasnt\b", "wasn't", $the_lyrics);
> $the_lyrics=str_replace("\bWasnt\b", "Wasn't", $the_lyrics);
> $the_lyrics=str_replace("\bthats\b", "that's", $the_lyrics);
> $the_lyrics=str_replace("\bThats\b", "That's", $the_lyrics);
> $the_lyrics=str_replace("\btheyre\b", "they're", $the_lyrics);
> $the_lyrics=str_replace("\bTheyre\b", "They're", $the_lyrics);
> $the_lyrics=str_replace("\btheyll\b", "they'll", $the_lyrics);
> $the_lyrics=str_replace("\bTheyll\b", "They'll", $the_lyrics);
> $the_lyrics=str_replace("\bcant\b", "can't", $the_lyrics);
> $the_lyrics=str_replace("\bCant\b", "Can't", $the_lyrics);
> $the_lyrics=str_replace("\bdidnt\b", "didn't", $the_lyrics);
> $the_lyrics=str_replace("\bDidnt\b", "Didn't", $the_lyrics);
> $the_lyrics=str_replace("\bdont\b", "don't", $the_lyrics);
> $the_lyrics=str_replace("\bDont\b", "Don't", $the_lyrics);
> $the_lyrics=str_replace("\bdoesnt\b", "doesn't", $the_lyrics);
> $the_lyrics=str_replace("\bDoesnt\b", "Doesn't", $the_lyrics);
> $the_lyrics=str_replace("\bweve\b", "we've", $the_lyrics);
> $the_lyrics=str_replace("\bWeve\b", "We've", $the_lyrics);
>
> Which, as you can see, is not exactly optimized code. How would
> someone more professional than myself go about this? I was thinking
> about maybe a two-dimentional array, but stopped short to consult with
> you guys first.
string_replace() supports taking two arrays from which to retrieve the
needles and the replacements so that you only need to invoke the
function once. This will speed things up considerably. On that note you
have a couple of bugs...
"its" is a valid word for possession (its woodwork is exquisite).
'Ill" is also valid (Ill beset by fortune).
Cheers,
Rob.
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