lexer: fixes for regex literal parsing #113
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- Ensure that regexp extension escapes are consistently handled; substitute `\d`, `\D`, `\s`, `\S`, `\w` and `\W` with `[[:digit:]]`, `[^[:digit:]]`, `[[:space:]]`, `[^[:space:]]`, `[[:alnum:]_]` and `[^[:alnum:]_]` character classes respectively since not all POSIX regexp implementations implement all of those extensions - Preserve `\b`, `\B`, `\<` and `\>` boundary matches Fixes: a45f2a3 ("lexer: improve regex literal handling") Signed-off-by: Jo-Philipp Wich <[email protected]>
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\d,\D,\s,\S,\wand\Wwith[[:digit:]],[^[:digit:]],[[:space:]],[^[:space:]],[[:alnum:]_]and[^[:alnum:]_]character classes respectively since not all POSIX regexp implementations implement all of those extensions\b,\B,\<and\>boundary matchesFixes: a45f2a3 ("lexer: improve regex literal handling")
Signed-off-by: Jo-Philipp Wich [email protected]