Linear time, dynamic API for lexical analysis and parser generation. Allows for a text-based specification of formal languages with the well-known regular-expressions approach, and using Parsing Expression Grammars as the underlying engine.
Expression4J (Math ExpressionParser) is a java framework used to manage mathematic expression stored in String object like "f(x,b)=2*x-cos(b)" or "g(x,y)=f(y,x)*-2". Expression gramar can be define by user (add new operator or type ...)
JEPLite is a light-weighted (re)implementation of the Java ExpressionParser (jep.sourceforge.net). The intention is to strip some of its not-so-often-used features, and thus speeding the rest. Includes expression optimizer.
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Impression is the flexible and extensible parser of mathematical expressions written in Java. It supports user defined
operators, single or multi parameter functions and unlimited number
of parameters. It is designed to use with numerical methods.
XPath Parser is a library consisting of parser for XPath-expressions and a set of classes which are used to represent their structure. Parser creates class-based structure of an XPath expression which may be manipulated as required.
This small library ma