**Since:** TWiki::Plugins::VERSION 1.020 (9 Feb 2004)
-**_Note:_** TWiki internally precompiles several regular expressions to represent various string entities in an [[I18N]]-compatible manner. Plugins authors are encouraged to use these in matching where appropriate. The following are guaranteed to be present. Others may exist, but their use is unsupported and they may be removed in future TWiki versions.
+**_Note:_** TWiki internally precompiles several regular expressions to represent various string entities in an I18N-compatible manner. Plugins authors are encouraged to use these in matching where appropriate. The following are guaranteed to be present. Others may exist, but their use is unsupported and they may be removed in future TWiki versions.
In the table below, the expression marked type 'String' are intended for use within character classes (i.e. for use within square brackets inside a regular expression), for example: