Module CharacterEscapes

Import path

import semmle.javascript.CharacterEscapes

getALikelyRegExpPatternMistake	Gets a character in `src` that is preceded by a single useless backslash, resulting in a likely regular expression mistake explained by `mistake`.
getAnEscapedCharacter	Gets the `i`th character of `raw`, which is preceded by an uneven number of backslashes.
getAnIdentityEscapedCharacter	Gets a character in `n` that is preceded by a single useless backslash.
hasALikelyRegExpPatternMistake	Holds if `src` likely contains a regular expression mistake, to be reported by `js/useless-regexp-character-escape`.