AppTools Regex Tester vs Regex Hero

AppTools Regex Tester is a free browser-based tool for checking and debugging regular expressions. Its interactive sandbox updates matches as a pattern changes, with Global, Case-Insensitive, Multiline, DotAll, and Unicode flags. Listed regex flavors are JavaScript, PCRE (PHP), Python, and Go. A parser breaks tokens into human-readable explanations, including quantifiers and non-capturing groups, while a step-through debugger helps inspect pattern behavior. Full matches and capture groups are shown in different colors. The maker describes uses such as parsing logs, validating JSON payloads, cleaning datasets, creating input filters, writing scrapers, and transforming strings in CI/CD pipelines. The regex engine runs in the browser, and the maker says test strings are not transmitted over the network. The privacy policy says inputs stay in browser memory; minimal cookies and local storage retain interface preferences and language settings. AppTools also collects anonymous telemetry about tool popularity. The suite requires no sign-up, subscription, or installation and provides a global support contact. The Free plan is listed at free.

Regex Hero is a.NET regular expression tester for writing patterns and checking their behavior in.NET applications. The web tester runs in real time and highlights matches as users type. Its editor includes regex syntax highlighting and code completion, and the site provides a.NET regular expression reference. Users can generate C# and VB.NET code from patterns. A community library lists 179 regular expressions in categories such as email, validation, CSV, and password. Regex Hero is available on the web and Windows, and its tester page links to a Microsoft Store download. The home page says a Mac version is not yet available. The product is free: the Regex Hero Professional plan costs nothing, with no exact current plan limits stated. The news page announced that Professional became free in July 2017. BucketSoft, LLC is the maker; its about page says Steve Wortham founded the company in March 2009. Wortham provides support by email and through a forum for ideas and bug reports. The privacy policy says collected information may include names, email addresses, and browser information for analytics. It also says submitted ratings, reviews, and feedback may be displayed, reused, and distributed.