[OmniFaces utilities (2.0)] Check if the given string is parseable as a number/decimal

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[OmniFaces utilities] The isNumber() method returns true if the given string is parseable as a number. I.e. it is not null, nor blank and contains solely digits. I.e., it won't throw a NumberFormatException when parsing as Long.
[OmniFaces utilities] The isDecimal() method returns true if the given string is parseable as a decimal. I.e. it is not null, nor blank and contains solely digits. I.e., it won't throw a NumberFormatException when parsing as Double.

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Method Utils#isNumber():

 Method Utils#isDecimal():

Usage:

import org.omnifaces.util.Utils;

...

String a = "";

String b = "3";

String c = "3L";

String d = "3.14";

String e = "3.14f";

String f = "3.14d";

// a

boolean isANumber = Utils.isNumber(a);   // false

boolean isADecimal = Utils.isDecimal(a); // false

// b

boolean isBNumber = Utils.isNumber(b);   // true

boolean isBDecimal = Utils.isDecimal(b); // true

// c

boolean isCNumber = Utils.isNumber(c);   // false

boolean isCDecimal = Utils.isDecimal(c); // false

// d

boolean isDNumber = Utils.isNumber(d);   // false

boolean isDDecimal = Utils.isDecimal(d); // true

// e

boolean isENumber = Utils.isNumber(e);   // false

boolean isEDecimal = Utils.isDecimal(e); // true

// f

boolean isFNumber = Utils.isNumber(f);   // false

boolean isFDecimal = Utils.isDecimal(f); // true

API GH