Need quick help with regexp, to search a string for
blah blah blah price 4.000 blah blah
并分配4 000美元或数以后价格为变量。
preg_match( ~prices+(S+)~ , $input, $matches);
var_dump($matches);
$num = preg_replace( /price ([d,.]+)/ , 1 , $string);
或
preg_match( /price ([d,.]+)/ , $string, $matches);
$num = $matches[1];
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