Dart
Dart
HTML Canvas
HTML Canvas
Redis
Redis
Bash
Bash
JavaScript
JavaScript
Regular Expressions

Character Classes & Groups

/[a-z]/
a thru z
/[a-zA-Z]/
a thru z and A thru Z
/[^a]/
exclude a
 
/(\w)/
group
/(\w)\1/
reuses (\w)
Comments
Related