regex-coach June 2011

regex-coach@common-lisp.net

4 participants
2 discussions

[regex-coach] Regex Coach \K option fails?
by mike 14 Jun '11

14 Jun '11

From the PCRE docs: The escape sequence \K causes any previously matched characters not to be included in the final matched sequence. For example, the pattern: foo\Kbar matches "foobar", but reports that it has matched "bar". http://www.pcre.org/pcre.txt This fails in The Regex Coach. Why? Thanks

3 5

[regex-coach] Need a Regex to return multi result if matching more than one times
by bai haoquan 05 Jun '11

05 Jun '11

Hi all, I want a regex used in Perl which is @ret = $query =~ /(googl.?)|(.?oogle)/; if the $query is "google", then will be matched, and the @ret = (google, undef), $1 = "google", $2 is undef but I want result like @ret = (google, google), because the pattern "(.?oogle)" is matched too, And my regex is very long (the regex above is just an example), maybe thouands of "|", so if separate the regex to /(googl.?)/ and /(.?oogle)/ will be inefficient. Does anybody can help me? Thanks!

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regex-coach June 2011