| levenshtein | Compute the edit distance between two strings is defined as the minimum number of edit operations required to transform one string into another. |
| fromXML | parse XML text data into R object |
| decode.R_unicode | processing a unicode char like |
| decode.R_rawstring | processing a unicode char like |
| asciiString | replace all non-ASCII character as the given char. |
| shortest_common_superstring | |
| multiple_text_alignment |