<div dir="ltr"><div>This worked for me...<br><br>'<a href="http://time.com/3073948/border-bill-republicians/">http://time.com/3073948/border-bill-republicians/</a>' <br>allRegexMatches: '\b(https?|ftp|file)[:]//[-a-zA-Z0-9+&@#/%?=~_|!:,.;]*[a-zA-Z0-9+&@#/%=~_|]'<br>
<br></div><div>Just add [] around : and included lowercase a-z<br></div><div><br></div><div>For your reference<br></div><div><br></div>Cincom VW7.9 <br>RxParser class side method #c:_ syntax:__ <br><div><br></div></div><div class="gmail_extra">
<br><br><div class="gmail_quote">On Sun, Aug 3, 2014 at 11:53 PM, Aaron Rosenzweig <span dir="ltr"><<a href="mailto:aaron@chatnbike.com" target="_blank">aaron@chatnbike.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div style="word-wrap:break-word">Hi,<div><br></div><div>Is there anything newbies should know about Vassili Bykov’s RxParser? It is the de-facto tool for parsing regular expressions in Smalltalk correct? </div><div><br></div>
<div>Even the “String” class has a utility method that uses it.</div><div><br></div><div>Strange for it to be the de-facto standard because… it feels limiting -> see below:</div><div><br></div><div>I’m trying to “detect” a url so in this example:</div>
<div><br></div><div>'<a href="http://time.com/3073948/border-bill-republicians/'" target="_blank">http://time.com/3073948/border-bill-republicians/'</a> </div><div>allRegexMatches: </div><div>'\b(https?|ftp|file)://[-A-Z0-9+&@#/%?=~_|!:,.;]*[A-Z0-9+&@#/%=~_|]’</div>
<div><br></div><div>I believe it should work. On my Mac, using “RegExRX” I tested that the expression itself is ok.</div><div><br></div><div>In Pharo I get “RegexMatchingError: invalid predicate selector”</div><div><br></div>
<div>When I debug into it a bit more I see:</div><div><br></div><div>Character(Object)>>doesNotUnderstand: #'//[-A-Z0-9+&@#/%?=~_|!’</div><div><br></div><div>I *assume* it is having trouble with the colons. There is a colon after the “http” part and then one in the first set of []* part right after the exclamation mark… it’s almost like it wants to treat it as if it was one of the convenience constructs like -> [:alpha:] and then obviously chokes because it is not. </div>
<div><br></div><div>doh! Has anyone run into this before?</div><div><br></div><div>…..</div><div><br></div><div>*Assuming* that we have to escape every colon when we use the RxParser I modified the code to look like this:</div>
<div><br></div><div>'<a href="http://time.com/3073948/border-bill-republicians/'" target="_blank">http://time.com/3073948/border-bill-republicians/'</a> </div><div>allRegexMatches: </div><div>'\b(https?|ftp|file)\://([-A-Z0-9+&@#/%?=~_|!,.;]|\:)*[A-Z0-9+&@#/%=~_|]’</div>
<div><br></div><div>I tested this in RegExRX and it is fine… but in Pharo I at least don’t get an error but I also don’t get any results! Just an empty OrderedCollection. </div><div><br></div><div>Does anyone have any suggestions or am I out of luck? Do I need a different regular expression tool for Smalltalk besides RxParser? Hopefully I’m just making a simple mistake. </div>
<div><br></div><div>Hopefully I’m the one who is dain bramaged. </div><div><br></div><div>Thanks in advance,</div><div><div>
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