您可以使用正则表达式轻松实现目标。
示例2来自以下文档
preg_match:
if (preg_match("/bwebb/i", "PHP is the web scripting language of choice.")) { echo "A match was found."; } else { echo "A match was not found."; }请注意,上面的示例使用
i修饰符,该修饰符使对“ web”的搜索不区分大小写。

您可以使用正则表达式轻松实现目标。
示例2来自以下文档
preg_match:
if (preg_match("/bwebb/i", "PHP is the web scripting language of choice.")) { echo "A match was found."; } else { echo "A match was not found."; }请注意,上面的示例使用
i修饰符,该修饰符使对“ web”的搜索不区分大小写。