CodeQL library for Java
codeql/java-all 0.6.1 ( changelog , source )
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Predicate Impl :: isEscapeClass

Holds if term is an escape class representing e.g. \d. clazz is which character class it represents, e.g. ā€œdā€ for \d.

Import path

import semmle.code.java.regex.RegexTreeView
predicate isEscapeClass ( RegExpTerm term , string clazz )