| Package | Description | 
|---|---|
| java.util | Contains the collections framework, legacy collection classes, event model,
date and time facilities, internationalization, and miscellaneous utility
classes (a string tokenizer, a random-number generator, and a bit array). | 
| java.util.regex | Classes for matching character sequences against patterns specified by regular
expressions. | 
| Modifier and Type | Method and Description | 
|---|---|
| Pattern | Scanner. delimiter()Returns the  PatternthisScanneris currently
 using to match delimiters. | 
| Modifier and Type | Method and Description | 
|---|---|
| String | Scanner. findInLine(Pattern pattern)Attempts to find the next occurrence of the specified pattern ignoring
 delimiters. | 
| String | Scanner. findWithinHorizon(Pattern pattern,
                 int horizon)Attempts to find the next occurrence of the specified pattern. | 
| boolean | Scanner. hasNext(Pattern pattern)Returns true if the next complete token matches the specified pattern. | 
| String | Scanner. next(Pattern pattern)Returns the next token if it matches the specified pattern. | 
| Scanner | Scanner. skip(Pattern pattern)Skips input that matches the specified pattern, ignoring delimiters. | 
| Scanner | Scanner. useDelimiter(Pattern pattern)Sets this scanner's delimiting pattern to the specified pattern. | 
| Modifier and Type | Method and Description | 
|---|---|
| static Pattern | Pattern. compile(String regex)Compiles the given regular expression into a pattern. | 
| static Pattern | Pattern. compile(String regex,
       int flags)Compiles the given regular expression into a pattern with the given
 flags. | 
| Pattern | Matcher. pattern()Returns the pattern that is interpreted by this matcher. | 
| Modifier and Type | Method and Description | 
|---|---|
| Matcher | Matcher. usePattern(Pattern newPattern)Changes the Pattern that this Matcher uses to
 find matches with. | 
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