From: Nuralanur@...
Date: 2006-01-30T02:43:41+09:00
Subject: Re: Scanning for more than one specific character with String#scan

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You can use 
 
 
a.scan(/(s|k)/).
 
What's in between the '/  /' is called a "regular expression".
These regular expressions are used to find patterns in strings that  you
can describe in an approximate way.
They're a powerful tool.
To see what's available, look at
 
_http://www.regular-expressions.info/_ (http://www.regular-expressions.info/) 
 .
 
Best regards,
 
Axel 

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