[erlang-questions] regexp sux! (but perhaps less now)

[Bengt Kleberg]

On 2007-06-04 22:34, Robert Virding wrote:
> tobbe wrote:
>> 1> re:match("now/plus42hours/","^now/(plus|minus)(\d{1,2})hours/$").
>> nomatch
>> 2> re:smatch("now/plus42hours/","^now/(plus|minus)([[:alnum:]])hours/$").
>> nomatch
>> 3> re:smatch("now/plus42hours/","now/(plus|minus)([[:alnum:]])hours/").
>> nomatch
> 
> OK:
> 1) \d is a PERLism and as I wrote I only support POSIX style regexps. As 
> the regexp is a string it would have to be "\\d" as the '\' needs to be 

if somebody is interested in something else than ''normal regular 
expressions'' (where normal is awk, sed, posix, perl, etc) i can recommend
http://www.scsh.net/docu/html/man-Z-H-7.html#node_idx_1178

it is regexp for the scheme shell. it has s-expressions instead of 
strings. i find it easier to use when the regular expression goes beyond 
that which is possible to do with strstr and friends.


bengt
-- 
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