RegExpTree.BackReference

java.lang.Object
- com.google.javascript.jscomp.regex.RegExpTree
- - com.google.javascript.jscomp.regex.RegExpTree.RegExpTreeAtom
  - - com.google.javascript.jscomp.regex.RegExpTree.BackReference

Enclosing class:: RegExpTree

public static final class RegExpTree.BackReference
extends RegExpTree.RegExpTreeAtom

Represents a reference to a previous group such as \1 or \2

Nested Class Summary
- Nested classes/interfaces inherited from class com.google.javascript.jscomp.regex.RegExpTree
  RegExpTree.Alternation, RegExpTree.Anchor, RegExpTree.BackReference, RegExpTree.CapturingGroup, RegExpTree.Charset, RegExpTree.Concatenation, RegExpTree.Empty, RegExpTree.LookaheadAssertion, RegExpTree.LookbehindAssertion, RegExpTree.NamedBackReference, RegExpTree.NamedCaptureGroup, RegExpTree.RegExpTreeAtom, RegExpTree.Repetition, RegExpTree.Text, RegExpTree.UnicodePropertyEscape, RegExpTree.WordBoundary

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`protected void`	`appendDebugInfo(java.lang.StringBuilder sb)`
`protected void`	`appendSourceCode(java.lang.StringBuilder sb)`	Appends this regular expression source to the given buffer.
`boolean`	`equals(java.lang.Object o)`
`int`	`hashCode()`
`RegExpTree`	`simplify(java.lang.String flags)`	Returns a simpler regular expression that is semantically the same assuming the given flags.

Methods inherited from class com.google.javascript.jscomp.regex.RegExpTree.RegExpTreeAtom
children, containsAnchor, isCaseSensitive, numCapturingGroups

Methods inherited from class com.google.javascript.jscomp.regex.RegExpTree
hasCapturingGroup, matchesWholeInput, parseRegExp, toString

Methods inherited from class java.lang.Object
clone, finalize, getClass, notify, notifyAll, wait, wait, wait

- Method Detail
  - simplify
```
public RegExpTree simplify(java.lang.String flags)
```
    Description copied from class: RegExpTree
    
    Returns a simpler regular expression that is semantically the same assuming the given flags.
    
    Specified by:
    
    simplify in class RegExpTree
    
    Parameters:
    
    flags - Regular expression flags, e.g. "igm".
  - appendSourceCode
```
protected void appendSourceCode(java.lang.StringBuilder sb)
```
    Description copied from class: RegExpTree
    
    Appends this regular expression source to the given buffer.
    
    Specified by:
    
    appendSourceCode in class RegExpTree
  - appendDebugInfo
```
protected void appendDebugInfo(java.lang.StringBuilder sb)
```
    Specified by:
    
    appendDebugInfo in class RegExpTree
  - equals
```
public boolean equals(java.lang.Object o)
```
    Specified by:
    
    equals in class RegExpTree
  - hashCode
```
public int hashCode()
```
    Specified by:
    
    hashCode in class RegExpTree