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PerfectExtractor Manual

Query Filters

Part-of-speech tags

Used to filter results based on part-of-speech tags as annotated in the corpus source files. Tags may vary between corpora and languages.

Regular Expressions

Filter results using a regular expression that is applied on a word level. Regular expressions should be given in Python's regular expression syntax and are case-insensitive. More information can be found in the official documentation. See also pythex and regexpal for interactive experimentation with regular expressions.
Examples:
^wh
matches all words beginning with wh
ly$
matches all words ending with ly
^ha(s|ve)$
matches either has or have
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