PHP remove delimited placeholders from string

Question

I'm trying to remove some chunks from a string, which is basically html code; the chunks are delimited by # I'm a zero with regexp, but found this method on another SO topic (Replace everything between and including two characters using regex in php) but it's not working and I'm not able to get why. My chunks are placeholders inside html code, like this :

#TEXT_2#

and I'tried with these functions (none of them succeeded):

$text = preg_replace('/\[[#]]*]/', '', $text);
$text = preg_replace("/\\#\\\(\d).*?\\#/", "", $text);
$text = preg_replace( '~\#(\d+)\#~' , "", $text);

Can anybody suggest me a way to do it ? Any help would be higly appreciated. Thx

the output should be the whole string (i.e. html code) without the placeholders, including the delimiters '#' — MarcoSpada
– MarcoSpada, Commented Jul 26, 2013 at 14:17
Edit your question with actual input and expected output. A slight change in a regex might cause it to not work. — HamZa
– HamZa, Commented Jul 26, 2013 at 14:35

Expedito · Accepted Answer · 2013-07-26 14:23:38Z

1

echo preg_replace('/#\w+#/', '', $text);

edited Jul 26, 2013 at 14:23

answered Jul 26, 2013 at 14:15

Expedito

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1 Comment

HamZa Over a year ago

\w == [a-zA-Z0-9_] so you can remove that underscore

Ioannis Lalopoulos · Accepted Answer · 2013-07-26 14:16:38Z

1

$text = "#in1#out1#in2#out2#in3###out3";
$text = preg_replace('/#[^#]*#/', '', $text);
echo $text, PHP_EOL;

it should echo only the out parts i.e.: out1out2out3

answered Jul 26, 2013 at 14:16

Ioannis Lalopoulos

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