JRegExAnalyser
jRegExAnalyser is a Java application for testing, analyzing and visualizing regular expressions. It allows you to enter sample text and regex patterns to understand how they match, highlight matched groups, analyze regex complexity, and generate railroad diagrams.
regex
regular-expression
analyzer
developer-tool
jRegExAnalyser: Java Application for Regex Testing & Analysis
jRegExAnalyser is a Java application for testing, analyzing and visualizing regular expressions. It allows you to enter sample text and regex patterns to understand how they match, highlight matched groups, analyze regex complexity, and generate railroad diagrams.
What is JRegExAnalyser?
jRegExAnalyser is an open-source Java application designed specifically for working with regular expressions. It provides a feature-rich graphical interface that allows you to visually test, analyze and debug regex patterns.
Some of the key features of jRegExAnalyser include:
- Live testing of regex patterns against sample text inputs
- Color coding and highlighting of matched regex groups
- Listing of capture groups with details on index, value matched, etc.
- Analysis of pattern complexity including quantifier counts, nesting levels, steps required, etc.
- Generation of railroad syntax diagrams corresponding to the regex pattern
- Saving regex patterns to an integrated library for later reuse
- Support for Java regex syntax with all operators, anchors, quantifiers, etc.
- Integrated regex references and guides for Java regex features
If you work heavily with regular expressions in Java, jRegExAnalyser can be an invaluable tool for debugging, visualization, analysis and learning. With its intuitive visual interface, it makes working with complex regexes faster and easier.
JRegExAnalyser Features
Features
- Visualize regular expressions as railroad diagrams
- Test regular expressions against sample text
- Highlight matched groups in test text
- Analyze regex complexity
- Support for Java regex syntax
Pricing
- Open Source
Pros
Helpful visualizations for understanding regex
Useful testing and analysis features
Free and open source
Cons
Only supports Java regex syntax
Limited to testing individual regex patterns
User interface is a bit dated
Official Links
The Best JRegExAnalyser Alternatives
Top Development and Regex Tool and other similar apps like JRegExAnalyser
Here are some alternatives to JRegExAnalyser:
Suggest an alternative ❐
RegexPal
RegexPal is a free web-based application for testing, analyzing and visualizing regular expressions. It provides an intuitive graphical interface that allows users to easily enter a regex pattern on one side and sample text to test it against on the other.As you type the regex, RegexPal dynamically highlights matching parts...
RegexBuddy
RegexBuddy is a versatile tool for working with regular expressions. It assists in all stages of regex use - creation, testing, debugging and analyzing. Some key features include:Intuitive regex builder and tester with highlighting and explanations to learn regex easily.Debugger shows step-by-step execution of regex to understand how it works.Cheat...
Regulex
Regulex is an interactive JavaScript-based regular expression visualization tool. It allows you to visualize the workings of regular expressions in an intuitive graphical format to better understand how they function.Some key features of Regulex include:Interactive regex visualization showing the flow and logic behind the expressionSupports JavaScript regex syntaxTest regex against...
Debuggex
Debuggex is a free online tool for building, testing, and debugging regular expressions. It provides a simple visual interface for constructing regex patterns and highlights matches in real-time as you type. Some key features of Debuggex include:Interactive regex builder with real-time highlighting of matchesSupport for JavaScript and Python regex flavorsDetailed...
Expresso
Expresso is a comprehensive time tracking and project management software solution designed for freelancers, consultants, agencies and distributed teams. It makes time tracking simple with automatic tracking features that require no manual input. It also includes robust project and task management capabilities to stay organized and deliver projects on time...
Regex Hero
Regex Hero is a popular regular expression tool for Windows. It provides a full-featured environment for creating, testing, debugging and fine-tuning regular expressions in a graphical user interface.Key features include:Intuitive pattern editor with syntax highlighting, line numbers, search and replace, bookmarks, and moreLive testing against sample inputs with full match...
RegExpEditor
RegExpEditor is a feature-rich regular expression editor and tester for Windows. It provides a intuitive graphical user interface for creating, testing, and debugging regular expressions.Some key features of RegExpEditor include:Syntax highlighting as you type to make regular expressions easy to read and writeTesting pane to instantly see if your expressions...
The Regulator
The Regulator is a comprehensive permissions and access control solution designed for enterprises and IT administrators. It enables organizations to manage user access rights and permissions down to very granular levels.With its role-based access control system, The Regulator allows admins to create roles that group together specific permissions, then assign...
.NET Regular Expression Designer
.NET Regular Expression Designer is a free open source regular expression editor and tester for .NET regexes. It is developed by Microsoft as part of the .NET Framework to aid .NET developers in creating and debugging regular expressions.Some key features of .NET Regular Expression Designer include:Visual regex creation with syntax...
RegViz
RegViz is an open-source browser extension that enables visualizing and inspecting HTTP(S) requests as they happen directly in the browser. It provides a graphical interface for viewing all network traffic initiated by the browser on any web page.Some key features of RegViz include:Visualization of all HTTP(S) requests in a timeline...
RegEx Edit
RegEx Edit is a feature-rich regular expression editor and tester for Windows. It provides an intuitive interface for creating, testing, and debugging RegEx patterns.Some key features of RegEx Edit include:Syntax highlighting - Color coding to make RegEx patterns easier to read and writeExplanation tooltips - Hover over parts of a...
