Module Regexp

Provides classes for working with regular expressions.

Regular expression literals are represented as an abstract syntax tree of regular expression terms.

Import path

import semmle.javascript.Regexp

Imports

javascript

Provides classes for working with JavaScript programs, as well as JSON, YAML and HTML.

Predicates

isInterpretedAsRegExp

Holds if source may be interpreted as a regular expression.

Classes

InfiniteRepetitionQuantifier	A regular expression term that permits unlimited repetitions.
RegExpAlt	An alternative term, that is, a term of the form `a\|b`.
RegExpAnchor	A dollar `$` or caret assertion `^` matching the beginning or end of a line.
RegExpBackRef	A back reference, that is, a term of the form `\i` or `\k<name>` in a regular expression.
RegExpCaret	A caret assertion `^` matching the beginning of a line.
RegExpCharEscape	A character escape in a regular expression.
RegExpCharacterClass	A character class in a regular expression.
RegExpCharacterClassEscape	A character class escape in a regular expression.
RegExpCharacterRange	A character range in a character class in a regular expression.
RegExpConstant	A constant regular expression term, that is, a regular expression term matching a single string.
RegExpControlEscape	A control character escape in a regular expression.
RegExpDecimalEscape	A decimal character escape in a regular expression.
RegExpDollar	A dollar assertion `$` matching the end of a line.
RegExpDot	A dot regular expression.
RegExpEscape	An escaped regular expression term, that is, a regular expression term starting with a backslash.
RegExpGroup	A grouped regular expression.
RegExpHexEscape	A hexadecimal character escape in a regular expression.
RegExpIdentityEscape	An identity escape, that is, an escaped character in a regular expression that just represents itself.
RegExpIntersection	An intersection term, that is, a term of the form `[[a]&&[ab]]`.
RegExpLookahead	A zero-width lookahead assertion.
RegExpLookbehind	A zero-width lookbehind assertion.
RegExpNegativeLookahead	A negative-lookahead assertion.
RegExpNegativeLookbehind	A negative-lookbehind assertion.
RegExpNonWordBoundary	A non-word boundary assertion.
RegExpNormalConstant	A sequence of normal characters without special meaning in a regular expression.
RegExpOctalEscape	An octal character escape in a regular expression.
RegExpOpt	An optional term.
RegExpParent	An element containing a regular expression term, that is, either a regular expression literal, a string literal (parsed as a regular expression), or another regular expression term.
RegExpParseError	A parse error encountered while processing a regular expression literal.
RegExpPatternSource	A node whose value may flow to a position where it is interpreted as a part of a regular expression.
RegExpPlus	A plus-quantified term.
RegExpPositiveLookahead	A positive-lookahead assertion.
RegExpPositiveLookbehind	A positive-lookbehind assertion.
RegExpQuantifier	A quantified regular expression term.
RegExpQuotedString	A quoted string escape in a regular expression, using the `\q` syntax. The only operation supported inside a quoted string is alternation, using `\|`.
RegExpRange	A range-quantified term
RegExpSequence	A sequence term.
RegExpStar	A star-quantified term.
RegExpSubPattern	A zero-width lookahead or lookbehind assertion.
RegExpSubtraction	A subtraction term, that is, a term of the form `[[a]--[ab]]`.
RegExpTerm	A regular expression term, that is, a syntactic part of a regular expression.
RegExpUnicodeEscape	A unicode character escape in a regular expression.
RegExpUnicodePropertyEscape	A Unicode property escape in a regular expression.
RegExpWordBoundary	A word boundary assertion.

Modules

RegExp