Path: csiph.com!x330-a1.tempe.blueboxinc.net!usenet.pasdenom.info!news.dougwise.org!nntpfeed.proxad.net!proxad.net!feeder1-2.proxad.net!usenet-fr.net!de-l.enfer-du-nord.net!feeder1.enfer-du-nord.net!talisker.lacave.net!lacave.net!not-for-mail From: Joel VanderWerf Newsgroups: comp.lang.ruby Subject: Re: Replace any multiple whitespaces with single white space Date: Tue, 26 Apr 2011 11:27:03 -0500 Organization: Service de news de lacave.net Lines: 21 Message-ID: <4DB6F210.9080203@gmail.com> References: <4DB5C2CA.3070705@gmail.com> NNTP-Posting-Host: bristol.highgroove.com Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Trace: talisker.lacave.net 1303835357 32495 65.111.164.187 (26 Apr 2011 16:29:17 GMT) X-Complaints-To: abuse@lacave.net NNTP-Posting-Date: Tue, 26 Apr 2011 16:29:17 +0000 (UTC) In-Reply-To: X-Received-From: This message has been automatically forwarded from the ruby-talk mailing list by a gateway at comp.lang.ruby. If it is SPAM, it did not originate at comp.lang.ruby. Please report the original sender, and not us. Thanks! For more details about this gateway, please visit: http://blog.grayproductions.net/categories/the_gateway X-Mail-Count: 382206 X-Ml-Name: ruby-talk X-Rubymirror: Yes X-Ruby-Talk: <4DB6F210.9080203@gmail.com> Xref: x330-a1.tempe.blueboxinc.net comp.lang.ruby:3519 On 04/26/2011 05:03 AM, Brian Candler wrote: > Joel VanderWerf wrote in post #994935: >> On 04/25/2011 11:44 AM, Michelle Pace wrote: >>> pattern incorrect? >>> >>> descrip = "1/4 WELDING LEVER FRONT DRW 14844-C MAT WMA1CM-WLFRONT" >>> descrip.sub!(/\s+/,' ') >>> puts descrip >> >> sub! only affects the *first* match. You can substitute globally with >> gsub. Also you might as well only match 2 or more spaces: >> >> descrip.gsub!(/\s\s+/,' ') > > Those are not equivalent, because \s matches more than just ASCII 0x20. > > d1 = "foo\tbar\tbaz" > d1.gsub(/\s+/,' ') # "foo bar baz" > d1.gsub(/\s\s+/,' ') # "foo\tbar\tbaz"