Regular expression: Difference between revisions

<td> 布林邏輯 AND: 包含「狐狸」和「叫」的行 ([http://regexr.com/3aokl demo])<br /> {{kbd | key = <nowiki>(?=.*狐狸)(?=.*叫).*</nowiki>}}</td>

<td> 布林邏輯 NOT: 不包含「狐狸」，但包含「柴犬」的行 ([http://regexr.com/3aokr demo])<br /> {{kbd | key = <nowiki>^((?!狐狸).)*(柴犬).*$</nowiki>}} = {{kbd | key = <nowiki>^(柴犬).*((?!狐狸).)*$</nowiki>}} = {{kbd | key = <nowiki>(柴犬).*((?!狐狸).)*</nowiki>}}<ref>[http://stackoverflow.com/questions/2953039/regular-expression-for-a-string-containing-one-word-but-not-another regex - Regular expression for a string containing one word but not another - Stack Overflow]</ref></td>