Package org.mariuszgromada.math.mxparser

Class StringUtils

java.lang.Object

org.mariuszgromada.math.mxparser.StringUtils

public final class StringUtils
extends Object

A class containing all string utils.

Version:

5.2.0

Author:

Mariusz Gromada
MathParser.org - mXparser project page
mXparser on GitHub
INFIMA place to purchase a commercial MathParser.org-mXparser software license
info@mathparser.org
ScalarMath.org - a powerful math engine and math scripting language
Scalar Lite
Scalar Pro
MathSpace.pl

Constructor Summary

Constructors

Constructor	Description
StringUtils()

Method Summary

Modifier and Type	Method	Description
static int	countLines(String text)
static int	countOccurrences(String str, String toFind)
static String	hexString2AsciiString(String hexString)	Converts hex string into ASCII string, where each letter is represented by two hex digits (byte) from the hex string.
static String	numberToAsciiString(double number)	Converts (long)double number into ASCII string, where each letter is represented by two hex digits (byte) from the hex representation of the original number cast to long type.
static String	numberToAsciiString(int number)	Converts number into ASCII string, where each letter is represented by two hex digits (byte) from the hex representation of the original number
static String	numberToAsciiString(long number)	Converts number into ASCII string, where each letter is represented by two hex digits (byte) from the hex representation of the original number
static String	numberToHexString(double number)	Converts (long)double number to hex string (plain text)
static String	numberToHexString(int number)	Converts integer number to hex string (plain text)
static String	numberToHexString(long number)	Converts long number to hex string (plain text)
static boolean	regexMatch(String str, String pattern)	Function used to introduce some compatibility between JAVA and C# while regexp matching.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

StringUtils

public StringUtils()

Method Detail

regexMatch

public static boolean regexMatch(String str,
                                 String pattern)

Function used to introduce some compatibility between JAVA and C# while regexp matching.

Parameters:

str - String

pattern - Pattern (regexp)

Returns:

True if pattern matches entirely, False otherwise

numberToHexString

public static String numberToHexString(int number)

Converts integer number to hex string (plain text)

Parameters:

number - Integer number

Returns:

Hex string (i.e. FF23)

numberToHexString

public static String numberToHexString(long number)

Converts long number to hex string (plain text)

Parameters:

number - Long number

Returns:

Hex string (i.e. FF23)

numberToHexString

public static String numberToHexString(double number)

Converts (long)double number to hex string (plain text)

Parameters:

number - Double number

Returns:

Hex string (i.e. FF23)

hexString2AsciiString

public static String hexString2AsciiString(String hexString)

Converts hex string into ASCII string, where each letter is represented by two hex digits (byte) from the hex string.

Parameters:

hexString - Hex string (i.e. 48656C6C6F)

Returns:

ASCII string (i.e. '48656C6C6F' = 'Hello')

numberToAsciiString

public static String numberToAsciiString(int number)

Converts number into ASCII string, where each letter is represented by two hex digits (byte) from the hex representation of the original number

Parameters:

number - Integer number (i.e. 310939249775 = '48656C6C6F')

Returns:

ASCII string (i.e. '48656C6C6F' = 'Hello')

numberToAsciiString

public static String numberToAsciiString(long number)

Converts number into ASCII string, where each letter is represented by two hex digits (byte) from the hex representation of the original number

Parameters:

number - Long number (i.e. 310939249775 = '48656C6C6F')

Returns:

ASCII string (i.e. '48656C6C6F' = 'Hello')

numberToAsciiString

public static String numberToAsciiString(double number)

Converts (long)double number into ASCII string, where each letter is represented by two hex digits (byte) from the hex representation of the original number cast to long type.

Parameters:

number - Double number (i.e. 310939249775 = '48656C6C6F')

Returns:

ASCII string (i.e. '48656C6C6F' = 'Hello')

countOccurrences

public static int countOccurrences(String str,
                                   String toFind)

countLines

public static int countLines(String text)