Adapted by Christopher J. Brody <brodybits@litehelpers.net>.

Based on sqlite3-pcre:
Written by Alexey Tourbin <at@altlinux.org>.

The author has dedicated the code to the public domain.  Anyone is free
to copy, modify, publish, use, compile, sell, or distribute the original
code, either in source code form or as a compiled binary, for any purpose,
commercial or non-commercial, and by any means.