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I try use string as a regular expression pattern but I've following errors
PHP Warning: preg_match(): Unknown modifier '>' in /Applications/MAMP/htdocs/cruncher/Plugins/wordpress/WPDetect.php on line 22
PHP Warning: preg_match(): Unknown modifier '/' in /Applications/MAMP/htdocs/cruncher/Plugins/wordpress/WPDetect.php on line 22
The code
$str = "<meta name=\"generator\" content=\"WordPress.com\" />"
preg_match("/".$str."/", $content->content)
I also tried to use preg_quote function but I've similar problems.
What is the correct way to make it work?
Sultan
456
The strcmp() function compares two strings. Note: The strcmp() function is binary-safe and case-sensitive. Tip: This function is similar to the strncmp() function, with the difference that you can specify the number of characters from each string to be used in the comparison with strncmp().
How Preg_match () and Preg_split () function works *? preg_match – This function is used to match against a pattern in a string. It returns true if a match is found and false if no match is found. preg_split – This function is used to match against a pattern in a string and then splits the results into a numeric array.
In PHP, regular expressions are strings composed of delimiters, a pattern and optional modifiers. $exp = "/w3schools/i"; In the example above, / is the delimiter, w3schools is the pattern that is being searched for, and i is a modifier that makes the search case-insensitive.
preg_match() in PHP – this function is used to perform pattern matching in PHP on a string. It returns true if a match is found and false if a match is not found. preg_replace() in PHP – this function is used to perform a pattern match on a string and then replace the match with the specified text.
Use preg_quote function and pattern enclosed with |...|
preg_match("|" . preg_quote($str, "|") . "|", $content->content)
This worked for me
$pattern = "/" . preg_quote($source, "/") . "/";
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