gistfile1.scala

/**
 * Takes a camel cased identifier name and returns an underscore separated
 * name
 *
 * Example:
 *     camelToUnderscores("thisIsA1Test") == "this_is_a_1_test"
 */
def camelToUnderscores(name: String) = "[A-Z\\d]".r.replaceAllIn(name, {m =>
  "_" + m.group(0).toLowerCase()
})

/* 
 * Takes an underscore separated identifier name and returns a camel cased one
 *
 * Example:
 *    underscoreToCamel("this_is_a_1_test") == "thisIsA1Test"
 */

def underscoreToCamel(name: String) = "_([a-z\\d])".r.replaceAllIn(name, {m =>
  m.group(1).toUpperCase()
})