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non-alphanumeric

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How can I search for rows that contain a non-alphanumeric or space character?
I want to search a table for all ro开发者_Go百科ws that contain a non-alphanumeric and non-space character in a specific field. What I have so far:
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How do I create a Perl regex that matches non-alphanumeric characters except spaces?
I have a Perl regex /\\W/i which matches all non-alphanumeric characters, but it also matches spaces which I want to ignore. How do I get it to mat开发者_运维知识库ch non-alphanumeric characters excep
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RegEx (in JavaScript find/replace) - match non-alphanumeric characters but ignore - and +
We have been using the following js/regex to find and replace all non-alphanumeric characters apart from - and +
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Replacing all non-alphanumeric characters with empty strings
I tried using this but didn\'t work- return value.repl开发者_开发知识库aceAll(\"/[^A-Za-z0-9 ]/\", \"\");
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