WebToolArcRegex Tools
Free browser-based regex tools with instant results and no account required.
Regex Tester
Test JavaScript regular expressions safely against text with flags, match positions, and capture details.
Regex ToolsRegex Replace Tester
Test JavaScript regular-expression replacements safely in a browser worker.
Regex ToolsRegex Extractor
Extract all regex matches from text with positions and capture data.
Regex ToolsRegex Splitter
Split text using a JavaScript regular expression as the delimiter.
Regex ToolsRegex Escape Tool
Escape literal text so regex metacharacters match themselves.
Regex ToolsRegex Match Counter
Count total and unique regex matches with frequency statistics.
Regex ToolsRegex Capture Group Inspector
Inspect numbered and named capture groups for every regex match.
Regex ToolsRegex Character Class Builder
Build a regex character class from common ranges and custom literal characters.
Regex ToolsRegex Test Case Runner
Run should-match and should-not-match cases against one regular expression.
Regex ToolsGlob to Regex Converter
Convert simple glob wildcards into an anchored JavaScript regular expression.
Regex ToolsRegex Line Filter
Keep matching or non-matching lines using a regular expression.
Regex ToolsRegex Pattern Inspector
Inspect regex groups, classes, quantifiers, anchors, escapes, and syntax validity.
Regex ToolsRegex Performance Tester
Probe regex execution time in a killable Web Worker with a hard timeout.