java.lang.Object
- org.jparsec.pattern.CharPredicates

public final class CharPredicates
extends java.lang.Object

Provides common CharPredicate implementations.

Field Summary

Fields
Modifier and Type	Field	Description
`static CharPredicate`	`ALWAYS`	A `CharPredicate` that always returns true.
`static CharPredicate`	`IS_ALPHA`	A `CharPredicate` that returns true if the character is an alpha character.
`static CharPredicate`	`IS_ALPHA_`	A `CharPredicate` that returns true if it is an alpha character or the underscore character `_`.
`static CharPredicate`	`IS_ALPHA_NUMERIC`	A `CharPredicate` that returns true if it is an alphanumeric character, or an underscore character.
`static CharPredicate`	`IS_ALPHA_NUMERIC_`	A `CharPredicate` that returns true if it is an alphanumeric character, or an underscore character.
`static CharPredicate`	`IS_DIGIT`	A `CharPredicate` that returns true if the character is a digit.
`static CharPredicate`	`IS_HEX_DIGIT`	A `CharPredicate` that returns true if the character is a digit or within the range of `[a-f]` or `[A-F]`.
`static CharPredicate`	`IS_LETTER`	A `CharPredicate` that returns true if `Character.isLetter(char)` returns true.
`static CharPredicate`	`IS_LOWER_CASE`	A `CharPredicate` that returns true if `Character.isLowerCase(char)` returns true.
`static CharPredicate`	`IS_UPPER_CASE`	A `CharPredicate` that returns true if `Character.isUpperCase(char)` returns true.
`static CharPredicate`	`IS_WHITESPACE`	A `CharPredicate` that returns true if `Character.isWhitespace(char)` returns true.
`static CharPredicate`	`NEVER`	A `CharPredicate` that always returns false.

Constructor Summary

Constructors
Modifier Constructor Description

private CharPredicates()

Method Summary

All Methods Static Methods Concrete Methods
Modifier and Type	Method	Description
`static CharPredicate`	`among(java.lang.String chars)`	A `CharPredicate` that returns true if the character is equal to any character in `chars`.
`static CharPredicate`	`and(CharPredicate... predicates)`	A `CharPredicate` that returns true if all `CharPredicate` in `predicates` evaluate to true.
`static CharPredicate`	`and(CharPredicate predicate1, CharPredicate predicate2)`	A `CharPredicate` that returns true if both `predicate1` and `predicate2` evaluates to true.
`static CharPredicate`	`isChar(char c)`	A `CharPredicate` that returns true if the character is equal to `c`.
`static CharPredicate`	`not(CharPredicate predicate)`	A `CharPredicate` that returns true if `predicate` evaluates to false.
`static CharPredicate`	`notAmong(java.lang.String chars)`	A `CharPredicate` that returns true if the character is not equal to any character in `chars`.
`static CharPredicate`	`notChar(char c)`	A `CharPredicate` that returns true if the character is not equal to `c`.
`static CharPredicate`	`notRange(char a, char b)`	A `CharPredicate` that returns true if the character is not within the range of `[a, b]`.
`static CharPredicate`	`or(CharPredicate... predicates)`	A `CharPredicate` that returns true if any `CharPredicate` in `predicates` evaluates to true.
`static CharPredicate`	`or(CharPredicate predicate1, CharPredicate predicate2)`	A `CharPredicate` that returns true if either `predicate1` or `predicate2` evaluates to true.
`static CharPredicate`	`range(char a, char b)`	A `CharPredicate` that returns true if the character is within the range of `[a, b]`.

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

- Field Detail
  - NEVER
```
public static final CharPredicate NEVER
```
    A CharPredicate that always returns false.
  - ALWAYS
```
public static final CharPredicate ALWAYS
```
    A CharPredicate that always returns true.
  - IS_HEX_DIGIT
```
public static final CharPredicate IS_HEX_DIGIT
```
    A CharPredicate that returns true if the character is a digit or within the range of [a-f] or [A-F].
  - IS_UPPER_CASE
```
public static final CharPredicate IS_UPPER_CASE
```
    A CharPredicate that returns true if Character.isUpperCase(char) returns true.
  - IS_LOWER_CASE
```
public static final CharPredicate IS_LOWER_CASE
```
    A CharPredicate that returns true if Character.isLowerCase(char) returns true.
  - IS_WHITESPACE
```
public static final CharPredicate IS_WHITESPACE
```
    A CharPredicate that returns true if Character.isWhitespace(char) returns true.
  - IS_ALPHA
```
public static final CharPredicate IS_ALPHA
```
    A CharPredicate that returns true if the character is an alpha character.
  - IS_ALPHA_
```
public static final CharPredicate IS_ALPHA_
```
    A CharPredicate that returns true if it is an alpha character or the underscore character _.
  - IS_LETTER
```
public static final CharPredicate IS_LETTER
```
    A CharPredicate that returns true if Character.isLetter(char) returns true.
  - IS_ALPHA_NUMERIC
```
public static final CharPredicate IS_ALPHA_NUMERIC
```
    A CharPredicate that returns true if it is an alphanumeric character, or an underscore character.
  - IS_ALPHA_NUMERIC_
```
public static final CharPredicate IS_ALPHA_NUMERIC_
```
    A CharPredicate that returns true if it is an alphanumeric character, or an underscore character.
  - IS_DIGIT
```
public static final CharPredicate IS_DIGIT
```
    A CharPredicate that returns true if the character is a digit.
- Constructor Detail
  - CharPredicates
```
private CharPredicates()
```
- Method Detail
  - isChar
```
public static CharPredicate isChar(char c)
```
    A CharPredicate that returns true if the character is equal to c.
  - notChar
```
public static CharPredicate notChar(char c)
```
    A CharPredicate that returns true if the character is not equal to c.
  - range
```
public static CharPredicate range(char a,
                                  char b)
```
    A CharPredicate that returns true if the character is within the range of [a, b].
  - notRange
```
public static CharPredicate notRange(char a,
                                     char b)
```
    A CharPredicate that returns true if the character is not within the range of [a, b].
  - among
```
public static CharPredicate among(java.lang.String chars)
```
    A CharPredicate that returns true if the character is equal to any character in chars.
  - notAmong
```
public static CharPredicate notAmong(java.lang.String chars)
```
    A CharPredicate that returns true if the character is not equal to any character in chars.
  - not
```
public static CharPredicate not(CharPredicate predicate)
```
    A CharPredicate that returns true if predicate evaluates to false.
  - and
```
public static CharPredicate and(CharPredicate predicate1,
                                CharPredicate predicate2)
```
    A CharPredicate that returns true if both predicate1 and predicate2 evaluates to true.
  - or
```
public static CharPredicate or(CharPredicate predicate1,
                               CharPredicate predicate2)
```
    A CharPredicate that returns true if either predicate1 or predicate2 evaluates to true.
  - and
```
public static CharPredicate and(CharPredicate... predicates)
```
    A CharPredicate that returns true if all CharPredicate in predicates evaluate to true.
  - or
```
public static CharPredicate or(CharPredicate... predicates)
```
    A CharPredicate that returns true if any CharPredicate in predicates evaluates to true.

Class CharPredicates

Field Summary

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Field Detail

NEVER

ALWAYS

IS_HEX_DIGIT

IS_UPPER_CASE

IS_LOWER_CASE

IS_WHITESPACE

IS_ALPHA

IS_ALPHA_

IS_LETTER

IS_ALPHA_NUMERIC

IS_ALPHA_NUMERIC_

IS_DIGIT

Constructor Detail

CharPredicates

Method Detail

isChar

notChar

range

notRange

among

notAmong

not

and

or

and

or