nltk.tgrep.tgrep_positions¶
- nltk.tgrep.tgrep_positions(pattern, trees, search_leaves=True)[source]¶
Return the tree positions in the trees which match the given pattern.
- Parameters
pattern (str or output of tgrep_compile()) – a tgrep search pattern
trees (iter(ParentedTree) or iter(Tree)) – a sequence of NLTK trees (usually ParentedTrees)
search_leaves (bool) – whether to return matching leaf nodes
- Return type
iter(tree positions)