http://regexpal.com/ has a form of syntax highlighting. As for validating, that would depend on which engine you are working with, since different engines support different syntaxes. It would be impossible to validate something without knowing exactly which syntax the engine you are targeting supports.
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我使用RegexBuddy已经半年多了。强烈推荐。
I used RegexBuddy for more than half a year. Highly recommended.
http://regexpal.com/ 具有语法突出显示的形式。至于验证，这取决于您使用的引擎，因为不同的引擎支持不同的语法。如果不确切知道您的目标引擎支持哪种语法，就不可能验证某些内容。
http://regexpal.com/ has a form of syntax highlighting. As for validating, that would depend on which engine you are working with, since different engines support different syntaxes. It would be impossible to validate something without knowing exactly which syntax the engine you are targeting supports.
我喜欢 rubular.com
I like rubular.com