### RUBY LANGUAGE ###

#   ELEMENT_NAME [optional-css-class] REGULAR_EXPRESSION

    NAME                Ruby
    VERSION             1.7.24

    COMMENT             (\#.*?$)|(=begin.*?=end)
    STRING              (?default)|(%\w?\([^\)]*\))|(\`[^\`]*`)|(\<\<["'-]?\w+["']?)
    REGEX:STRING        /([^/]|(?<=\\)/)+/\[a-z]+   
    
    TAG                 <%=?|%>|^%
    LIBRARY:KEYWORD     \b(?alt:library.txt)\b
    MODULE:KEYWORD      \b(?alt:module.txt)\b
    EXCEPTION:KEYWORD   \b(?alt:exception.txt)\b
    STATEMENT           \b(?alt:statement.txt)\b
    RESERVED            \b(?alt:reserved.txt)\b
    TYPE                \b(?alt:type.txt)\b
    MODIFIER            \b(?alt:modifier.txt)\b
    
    ENTITY              (\b[a-z_]\w*\b(?=\s*\([^\)]*\)))|(\b[a-z_]\w*\b(?=\s*\{[^{)]*\}))
    VARIABLE            (?default)|((\$|@+)\w+)|\&\w+
    CONSTANT            (?default)|\b(?alt:constant.txt)\b
    OPERATOR            (?default)|\b(?alt:operator.txt)\b
    IDENTIFIER          (?default)
    BRACES:KEYWORD      [\{\}]
    SYMBOL              (?default)