Beta: Tool for a Linguist

Beta rule grammars may be written to perform various kinds of tasks, including data conversion, extracting interesting examples out of text data, modelling morphological structures or processes and selecting correct readings of ambiguous word tokens and parsing surface syntactic structures of sentences. If the user has problems in giving the names of the rule grammar files and input files required by Python Beta, one can ask it for help:

By default, input units are word tokens separated by blank space. If one wants, for example, to extract all instances of a pattern, one must take account also of all such cases, where the search string is surrounded by one or two punctuation marks or special characters, such as:

Word tokens may be identified by using suitable Beta rules and definitions.

Source: github.com