[Haskell-cafe] Using regexps to filter data

Stephen Tetley stephen.tetley at gmail.com
Mon Mar 15 07:14:59 EDT 2010

Hi Michael

I think you want to be using a one of the 'implementation' packages
directly rather than Text.Regex.Base.RegexLike (from regex-base), for
instance regex-posix. If you are searching a string you would want to
import the Text.Regex.Posix.String module.

Text.Regex.Base.RegexLike provides the interface, specific matchers
(e.g. Posix or PCRE) provide the implementation.

Best wishes


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