expression

Replace,Find,Extract,rename with regular expression;Support text and office;

An easy-to-use professional Regular Expression tool for search, extraction.

Verify that a regular expression matches the text or is included in the text

Numculator is an user-friendly, easy-to-use but powerful expression calculator.

Use this to convert an infix expression to postfix and vice-versa.

Calculator Prompter is a math expression calculator. It is a handy and useful.

CalculatorX - The Enhanced Expression Calculator

To calculate expression, derivative, root, extremum, integral.

The most powerful Sci/Eng calculator for Windows. Expression evaluation.

Regular expression from text builder.