ParserUtils (AppEngine :: appengine-apis 2.0.17 API)

java.lang.Object
- com.google.appengine.api.search.query.ParserUtils

```
public class ParserUtils
extends Object
```
A helper class that holds various, state-less utility functions used by the query parser.

Method Summary

All Methods Static Methods Concrete Methods
Modifier and Type	Method	Description
`static boolean`	`isDate(CharSequence text)`	Returns if the given string looks like a date to us.
`static boolean`	`isNumber(CharSequence text)`	Returns whether or not the given text looks like a number.
`static String`	`trimLast(String text)`	Removes the last character from the given text
`static String`	`unescapePhraseText(CharSequence phrase)`	Extracts phrase text by removing quotes from either end, and interpreting escape sequences.

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

- Method Detail
  - trimLast
```
public static String trimLast(String text)
```
    Removes the last character from the given text
  - unescapePhraseText
```
public static String unescapePhraseText(CharSequence phrase)
```
    Extracts phrase text by removing quotes from either end, and interpreting escape sequences.
  - isNumber
```
public static boolean isNumber(CharSequence text)
```
    Returns whether or not the given text looks like a number. The number is defined as '-'? digit* ('.' digit* ('E' ('+' | '-')? digit+)?)?
    
    Parameters:
    
    text - the text tested if it looks like a number
    
    Returns:
    
    whether or not the text represents a floating point number
  - isDate
```
public static boolean isDate(CharSequence text)
```
    Returns if the given string looks like a date to us. We only accept ISO 8601 dates, which have the dddd-dd-dd format.
    
    Parameters:
    
    text - text checked if it looks like a date
    
    Returns:
    
    whether this could be an ISO 8601 date