Sass mixin for icon font definitions (and search-replace from expanded sass definition)

icon_mixin.sass

@mixin icon($name, $code)
  .icon-#{$name}:before
    content: "#{$code}"

// Usage:
+icon(heart, \e600)

// Compiles to:
.icon-heart:before {
  content: "\e600";
}

// Regex: 
//   \.icon\-(.+)\:before[ ]*\n  content: "([\\e0-9a-f]+)"\n
//   +icon(\1, \2)