nl_tokens: * @method underscore () @returns String @short Converts hyphens and camel casing to underscores . @example
pl_tokens: function ( ) { return this . replace ( / [-\s]+ / g , '_' ) . replace ( string . Inflector && <mask> . Inflector . acronymRegExp , function ( acronym , index ) { return ( index > 0 ? '_' : '' ) + acronym . toLowerCase ( ) ; } ) . replace ( / ([A-Z\d]+)([A-Z][a-z]) / g , '$1_$2' ) . replace ( / ([a-z\d])([A-Z]) / g , '$1_$2' ) . toLowerCase ( ) ; }