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Tag Archives: regular expressions
Regular Expressions in Ruby (and Rails)
How does Rails, or rather, Ruby, deal with Regular Expressions? There are a few things; first, the syntax for regular expressions is a bit unique in Ruby. Second, the String class has a few methods that you can use for regular-expression use–namely match and gsub, which you can use to match (groups) and access matches. Continue reading
String Replacement in Ruby
How can you replace strings in Ruby? There are a couple of options; there’s the tr function, which takes two sets of characters, and substitutes them; and there’s the gsub method, which makes a global replacement based on a regular expression. Powerful stuff! Continue reading