Update Capturing and Anchors sections of regexp documention
Document that only first 9 numbered capture groups can use the \n backreference syntax. Document \0 backreference. Document \K anchor.
Fixes [Bug #14500]
Added by jeremyevans (Jeremy Evans) almost 4 years ago
Update Capturing and Anchors sections of regexp documention
Document that only first 9 numbered capture groups can use the \n
backreference syntax. Document \0 backreference. Document \K anchor.
Fixes [Bug #14500]