Class Impl::RegExpSubPattern
A zero-width lookahead or lookbehind assertion.
Examples:
(?=\w)
(?!\n)
(?<=\.)
(?<!\\)
Import path
import codeql.ruby.regexp.RegExpTreeViewDirect supertypes
Indirect supertypes
Known direct subtypes
Inherited fields
| end | from RegExpTerm | |
| re | from RegExpTerm | |
| start | from RegExpTerm |
Predicates
| getOperand | Gets the lookahead term. |
| isNullable | Holds if this regular expression term can match the empty string. |
Inherited predicates
| getAChild | Gets a child term . | from RegExpParent |
| getAMatchedString | Gets a string that is matched by this regular-expression term. | from RegExpGroup |
| getAPrimaryQlClass | Gets the primary QL class for this term. | from RegExpZeroWidthMatch |
| getChild | Gets the | from RegExpZeroWidthMatch |
| getConstantValue | Gets the single string this regular-expression term matches. | from RegExpGroup |
| getEnd | Gets the offset at which this term ends. | from RegExpTerm |
| getFile | Gets the file in which this term is found. | from RegExpTerm |
| getLastChild | Gets the last child term of this element. | from RegExpParent |
| getLiteral | Gets the string literal in which this term is found. | from RegExpTerm |
| getLocation | Gets the location of the surrounding regex, as locations inside the regex do not exist. To get location information corresponding to the term inside the regex, use | from RegExpTerm |
| getName | Gets the name of this capture group, if any. | from RegExpGroup |
| getNumChild | Gets the number of child terms. | from RegExpParent |
| getNumber | Gets the index of this capture group within the enclosing regular expression literal. | from RegExpGroup |
| getParent | Gets the parent term of this regular expression term, or the regular expression literal if this is the root term. | from RegExpTerm |
| getPredecessor | Gets the regular expression term that is matched (textually) before this one, if any. | from RegExpTerm |
| getPrimaryQlClasses | Gets a comma-separated list of the names of the primary CodeQL classes to which this regular expression term belongs. | from RegExpParent |
| getRawValue | Gets the raw source text of this term. | from RegExpTerm |
| getRegExp | Gets the associated | from RegExpTerm |
| getRootTerm | Gets the outermost term of this regular expression. | from RegExpTerm |
| getStart | Gets the offset at which this term starts. | from RegExpTerm |
| getSuccessor | Gets the regular expression term that is matched (textually) after this one, if any. | from RegExpTerm |
| hasLocationInfo | Holds if this term is found at the specified location offsets. | from RegExpTerm |
| isCapture | Holds if this is a capture group. | from RegExpGroup |
| isNamed | Holds if this is a named capture group. | from RegExpGroup |
| isRootTerm | Holds if this is the root term of a regular expression. | from RegExpTerm |
| isUsedAsRegExp | Holds if this term is part of a string literal that is interpreted as a regular expression. | from RegExpTerm |
| toString | Gets a textual representation of this element. | from RegExpTerm |