Piotr Lewandowski, @constjs
- Create demo DB tables
- Stemmer — Building documents
- Search — Building queries
- Performance practises
- Setting weight and ranking
- Improve search quality
- Further reading
- Search by content created by people (not programmers)
- Divide more and less important fragments of document
- Searching database dumps from WikiLeaks
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RegEx is good to find only simple, finite languages
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Helpless for grammar
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Slow (Can be improved with Trigram Indexes)
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Lots of pitfalls even for simple languages like HTML
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Complicated to maintain, e.g.
^(?=[A-Z0-9][A-Z0-9@._%+-]{5,253}$)[A-Z0-9._%+-]{1,64}@(?:(?=[A-Z0-9-]{1,63}\.)[A-Z0-9]+(?:-[A-Z0-9]+)*\.){1,8}[A-Z]{2,63}$
- Pretty rich in features
- Flexible and extensible
- Maybe you already have it
- Low entry point
- If your technology stack is already over-engineered