10 Regex Tester (Software & Online Tools)

Regular expression or regex is a pattern that consist of principles used to suit a certain set of strings. There are lots of regex tester software programming languages as well as web-based online tools you can use for free. If you’re a computer programmer, you can save yourself a lot of work and time.

Regex Tester

Free regex tester software and online tools

What is regular expression?

a regular expression is a set of characters that describe a search design, mainly for use in pattern matching with strings, or perhaps is a means for a computer individual or programmer to express exactly how some type of computer system should seek a specified structure in text then just what the system would be to do when each structure match is spotted. Regex are also greatly working for string manipulation processes like split and trim in Java program writing language.

The following is a list of software and online apps are great regex tester tools, it is helpful for web developer who would like to use for data validation, website data scraping, simple parsing, the creation of syntax highlighting processes, and lots of various other projects.

Regex Tester Software (Open Source)

1. Expresso

Expresso editor is consistently perfect as a training instrument for the beginner of regex tester or as a full-featured development environment for the expert computer programmer or website design company with a comprehensive understanding of regular expressions.

Expresso functions:

  • Build complex regex tester by finding elements from a palette
  • Test expressions against genuine or test input data
  • Show all matches in a tree framework, showing grabbed groups
  • Develop substitute strings and test the match and exchange functionality
  • Emphasize matched text in the input data
  • Test automatically for syntax errors
  • Generate Visual Basic, C#, or C++ code
  • Save and restore data in a task file
  • Keep and increase a group of frequently used regular expressions
  • Dramatically improved Analyzer

Download Expresso

2. Kodos

Kodos is a Python GUI utility for generating, testing and regex tester for the Python program coding language. Kodos should aid any developer to effortlessly and effectively develop regular expressions in Python.

  • The complement loss displays the portion of the text string this is certainly matched by your pattern.
  • The Group tab displays the regex teams by quantity and when appropriate by name
  • The Source signal loss shows sample Python code for using your structure in an application.
  • Make use of the Examine button to find out the final point that your particular pattern matched. This might be useful for finding problems in your design which might never be apparent.
  • Includes a handy regex reference guide. You’ll insert a regex expression from the guide into your pattern by double clicking the appropriate product.

Kodos is an available source task introduced under the GNU Public License (GPL).

Download Kodos

3. The Regulator

The Regulator is an excellent, free regex tester, testing and discovering tool. It permits you to definitely build and verify a regular expression against any text input, file or internet, and shows matching, splitting or replacement results within a simple to understand, hierarchical tree.

The Regulator is also incorporated with RegexLib.com, a free regex tester library, and assists finding ready-to-use regular expressions.

Download The Regulator

4. RegExpEditor

RegExpEditor (aka regex, regexp) is can be said the most least complicated regex tester tools by telling what it is really not. Alternatively RegExpEditor is a text editor that enables you to definitely change text utilizing regular expressions.

Download RegExpEditor

Online Regex Tester

5. RegExr

RegExr is an online tool for editing and regex tester (RegExp / RegEx). It gives a simple interface to enter RegEx expressions, and visualize matches in real-time editable source text.

It provides a handy RegExp snippet sidebar with information and usage examples to really make it more straightforward to discover Regular Expressions through learning from your errors.

Go to RegExr

6. regular expressions 101

Regular expressions 101 is an online regex tester, debugger with showcasing for PHP, PCRE, Python and JavaScript.

Go to regular expressions 101

7. Rubular

Rubular is a Ruby-based regular expression editor. It is a beneficial way to test regular expressions while you compose them.

Go to rubular

8. RegexPal

RegexPal is an online JavaScript regex tester. Enter a regex expression and test data and figure out if matches are built.

Go to RegexPal

9. Debuggex

Debuggex: online regex tester by visualizing it with a live editor. JavaScript, Python, and PCRE.

Debuggex features (Free Plan):

  • Regex Visualizer
  • Regex Debugger
  • JavaScript Engine
  • Python Engine
  • PCRE Engine
  • Code Snippets
  • Save 2 Unit Examinations per Regex
  • Save 10 Public Expressions

Go to Debuggex

10. RegViz

RegViz is a program for debugging JavaScript regex tester in an aesthetic means. The target of the task is develop a method which will make regular expressions more readable.

Advanced highlighting allows you to comprehend the construction and function of a regular expression. You can attempt the regular expression on a sample text and formulate test instances. We tried to arise with a very easy to use tool.

Go to RegViz

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