Regular expressions pcre2 · Characters and anchors
Match one of several characters
Match a single letter, either case.
[A-Za-z]
Official Regular expressions pcre2 documentation
More characters and anchors commands
- Match digits
- Match word characters
- Match whitespace
- Match any character
- Match anything except some characters
- Match the whole line
All characters and anchors commands · Regular expressions pcre2 cheatsheet