Module ERB::Util
In: erb.rb

A utility module for conversion routines, often handy in HTML generation.

Methods

h   html_escape   u   url_encode  

Public Instance methods

h(s)

Alias for html_escape

A utility method for escaping HTML tag characters in s.

  require "erb"
  include ERB::Util

  puts html_escape("is a > 0 & a < 10?")

Generates

  is a &gt; 0 &amp; a &lt; 10?

[Source]

# File erb.rb, line 780
    def html_escape(s)
      s.to_s.gsub(/&/, "&amp;").gsub(/\"/, "&quot;").gsub(/>/, "&gt;").gsub(/</, "&lt;")
    end
u(s)

Alias for url_encode

A utility method for encoding the String s as a URL.

  require "erb"
  include ERB::Util

  puts url_encode("Programming Ruby:  The Pragmatic Programmer's Guide")

Generates

  Programming%20Ruby%3A%20%20The%20Pragmatic%20Programmer%27s%20Guide

[Source]

# File erb.rb, line 799
    def url_encode(s)
      s.to_s.gsub(/[^a-zA-Z0-9_\-.]/n){ sprintf("%%%02X", $&.unpack("C")[0]) }
    end

[Validate]