Rene Fournier wrote:
> Hi, I'm looking for some ideas on the best way to parse blocks of text
> that is formatted such as:
>
> $sometext %\r\n -- good data
> $otherstring %\r\n -- good data
> $andyetmoretext %\r\n -- good data
> $finaltext -- bad data (missing ending)
>
> Each line should start with a $dollar sign, then some arbitrary text,
> ends with a percent sign, followed by carriage-return and line-feed.
> Sometimes though, the final line is not complete. In that case, I want
> to save those lines too.
>
> ....so that I end up with an array like:
>
> $result = array ( "matches" =>
> array ( 0 => "$sometext %\r\n",
> 1 => "$otherstring %\r\n",
> 2 => "$andyetmoretext %\r\n"
> ),
> "non_matches" =>
> array ( 3 => "$finaltext"
> )
> );
>
> The key thing here is that the line numbers are preserved and the
> non-matched lines are saved...
>
> Any ideas, what's the best way to go about this? Preg_matc, preg_split
> or something incorporating explode?
>
> ....Rene
>
Something along the line of this?
<pre><?php
$block_of_text = '$sometext %\r\n
$otherstring %\r\n
$andyetmoretext %\r\n
$finaltext';
$lines = explode("\n", $block_of_text);
$results = array();
foreach ( $lines AS $i => $line ) {
if ( preg_match('|^\$.* %\\\r\\\n$|', $line ) ) {
$results['matches'][$i] = $line;
} else {
$results['non_matches'][$i] = $line;
}
}
print_r($results);
?>
--
Jim Lucas
"Some men are born to greatness, some achieve greatness,
and some have greatness thrust upon them."
Twelfth Night, Act II, Scene V
by William Shakespeare
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