+ from optparse import OptionParser
+ parser = OptionParser(usage='%prog [options] string')
+ parser.add_option('--charset', help="set charset. default=%default", action='store', dest='charset', default='utf-8')
+ parser.add_option('-r', '--regexp', help="generate regular expression.", action='store_true', dest='regexp')
+ (options, args) = parser.parse_args()
+
+ if not args: