CodeQL library for Python
codeql/python-all 0.12.1 (changelog, source)
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Predicate Make::PrefixConstruction::prefix

Gets a string for which the regular expression will reach state.

Has at most one result for any given state. This predicate will not always have a result even if there is a ReDoS issue in the regular expression.

Import path

import codeql.regex.nfa.NfaUtils
string prefix(State state)