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Appendix B. Regular Expression Solutions to Common Problems
Appendix B. Regular Expression Solutions to Common Problems
This appendix is a collection of useful regular expressions, along with detailed explanations of each. The intent is to both summarize everything you have learned in this book by using practical real-world examples and give you a leg up by providing commonly needed patterns that you can use.
Note
The examples presented here are not the ultimate solutions to the problems presented. By now it should be clear that there rarely is an ultimate solution. More often, multiple solutions exist with varying degrees of tolerance for the unpredictable, and there is always a trade-off between performance of a pattern and its capability to handle any and all scenarios thrown at it. With that understanding, feel free to use the patterns presented here (and if needed, tweak them as suits you best). |