phpguru.org has a nice PCRE cheat sheet. Take a look at it if you work with PHP.
That cheat sheet is inspired by regex cheat sheet by ILoveJackDaniels.com that I used to use. Now that great site is known as and has a good collection of free Cheat Sheets, printable quick references for a variety of languages and web technologies.
ЎHola!
ЎGracias por el artнculo. Cada vez que quieres leer.
Edwas
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