Re: String formatting using preg_replace

From: Date: Tue, 13 May 2003 14:57:43 +0000
Subject: Re: String formatting using preg_replace
References: 1 2  Groups: php.general 
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Many thanks John, I think I have a better grasp seen that you put it that easy for me. I`m actually reading up now about arrays with str_replace, but for this exercise it isn`t warranted. Thanks again Cheers Chris On Tue, 2003-05-13 at 16:49, CPT John W. Holmes wrote: > > Greetings learned PHP(eople), > > Howdy... > > > Objective : Strip out all occurrences of the following from a string : > > /?<>,.;':"`!@#$%^&*()1234567890-+=\| > > ....and replace them with nothing > > > > Code : > > $compname = 'Joe`s Garage Inc.'; > > $trim1 = trim($compname); > > $cust_dir = preg_replace("/`1234567890 /","",$trim1); > > The first parameter to preg_replace is a pattern that you want replaced. > You're telling preg_replace to look for that exact pattern of numbers to > replace, instead of any single number. Since it doesn't find that pattern > anywhere, nothing is replaced and you end up with the original string. > > What you want to tell preg_replace is to look for any of these characters > and replace it with an empty string. You'd accomplish that by using: > > $cust_dir = preg_replace("/['0123456789]/",'',$trim1); > > Notice the [ and ] characters. You'll match any of those characters now and > replace them. > > For example, if you had a pattern such as "/a[0-9]a/", then that'll match > the letter 'a' followed by single number zero through nine, followed by > another letter 'a'. So "a1a" and "a9a" would be matched, but > "a99a" would > not because you're looking for a single number. > > Hope that helps. > > > Am I right in assuming that str_replace can only replace one character, > > i.e. you can`t specify many things to replace > > You can if you use arrays. Pretty sure there are examples in the manual. > > ---John Holmes... > > > -- > PHP General Mailing List (http://www.php.net/) > To unsubscribe, visit: http://www.php.net/unsub.php > -- Chris Blake Office : (011) 782-0840 Cell : 083 985 0379 The hardest part of climbing the ladder of success is getting through the crowds at the bottom.

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