Can I safely use extended regular expressions all the time rather than basic?

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Published on 2010-04-17T23:42:27Z Indexed on 2010/04/17 23:43 UTC
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It appears that most modern languages and tools allow for extended regular expressions, and ERE looks a lot cleaner than BRE with all those backslashes. Are there any major drawbacks in compatibility or maintainability when using ERE instead of BRE?

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