Skip to main content
recheck
Docs
Playground
Blog
Search
Playground
Try recheck in your browser!
RegExp
/^(a|a)*$/
Dialect
JavaScript
Java
.NET
PCRE
Python
Ruby
Perl
Everything runs in your browser. The regular expression and the results are never sent to a server.
i
v5.0.0-beta.1
v4.6.2
v4.6.1
HEAD (d5ab5c2)
Check
Parameters
Checker
auto
fuzz
automaton
Logger
on
off
Timeout (ms)
Acceleration Mode
auto
on
off
Attack Limit
Attack Timeout (ms)
Crossover Size
Heat Ratio
Incubation Limit
Incubation Timeout (ms)
Max Attack String Size
Max Degree
Max Gene String Size
Max Generation Size
Max Initial Generation Size
Max Iteration
Max NFA Size
Max Pattern Size
Max Refuted Attacks
Max Repeat Count
Max Runtime Attack String Size
Max Simple Repeat Count
Mutation Size
Random Seed
Runtime Attack Limit
Runtime Attack Timeout (ms)
Seeder
static
dynamic
Seeding Limit
Seeding Timeout (ms)