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preg_quoteで特殊文字をエスケープ | プログラムの種 ブログ
Warning: Use of undefined constant user_level - assumed 'user_level' (this will throw an Error in a future version of PHP) in /home/php-seed/www/blog/wp-content/plugins/ultimate-google-analytics/ultimate_ga.php on line 524

preg_quoteで特殊文字をエスケープ


Warning: Use of undefined constant user_level - assumed 'user_level' (this will throw an Error in a future version of PHP) in /home/php-seed/www/blog/wp-content/plugins/ultimate-google-analytics/ultimate_ga.php on line 524

preg_quoteを使うと、正規表現で特殊な文字として扱われる

. \ + * ? [ ^ ] $ ( ) { } = ! < > | :

を、エスケープすることができます。

[php]

[/php]

これは便利ですね。次正規表現を使う際には是非活用してみようと思います。メモメモ。

参考URL

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Warning: Use of undefined constant user_level - assumed 'user_level' (this will throw an Error in a future version of PHP) in /home/php-seed/www/blog/wp-content/plugins/ultimate-google-analytics/ultimate_ga.php on line 524

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