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Re^2: Parsing "=" separated output

by blindluke (Hermit)
on Aug 03, 2011 at 07:43 UTC ( #918189=note: print w/replies, xml ) Need Help??

in reply to Re: Parsing "=" separated output
in thread Parsing "=" separated output


I've modified the regexp a bit, so that the concatenation is no longer necessary

while ( $string =~ m/\s+([^\s]+?)=(.*?)(?=\s[^\s]+=|$)/g )

Works quite well.


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Re^3: Parsing "=" separated output
by Utilitarian (Vicar) on Aug 03, 2011 at 08:16 UTC
    Same idea but taking advantage of the wantarray response of a match and commenting the regex
    ~/$ perl -e ' $string="sometrash key1=value0 value1, value2 key2=value3 key3=value4" +; %hash = $string =~/ (\w+) #capture the key name = # separated from the value by an equals (.+?) # and then the value, non-greediness prevents running + into the subsequent values (?=(?:\s\w+=|$)) # finally we look ahead to ensure that what follows i +s a space and a "key=" pattern, or else the end end of the string /xg; #Match globally and allow comments in the regex for m +aintainability # And check use Data::Dumper;print Dumper(\%hash); ' $VAR1 = { 'key2' => 'value3', 'key1' => 'value0 value1, value2', 'key3' => 'value4' };
    print "Good ",qw(night morning afternoon evening)[(localtime)[2]/6]," fellow monks."

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