diff options
Diffstat (limited to 'bp.1.md')
| -rw-r--r-- | bp.1.md | 12 |
1 files changed, 8 insertions, 4 deletions
@@ -252,7 +252,7 @@ against the edges file or line. : Matches *pat*, but does not consume any input (lookahead). `@` *pat* -: Capture *pat* +: Capture *pat*. Captured patterns can be used in replacements. `foo` : The named pattern whose name is **"foo"**. Pattern names come from @@ -260,10 +260,14 @@ definitions in grammar files or from named captures. Pattern names may contain dashes (`-`), but not underscores (`_`), since the underscore is used to match whitespace. See the **GRAMMAR FILES** section for more info. +`@` *name* `:` *pat* +: For the rest of the current chain, define *name* to match whatever *pat* +matches, i.e. a backreference. For example, `` @foo:word `( foo `) `` (matches +**"asdf(asdf)"** or **"baz(baz)"**, but not **"foo(baz)"**) + `@` *name* `=` *pat* -: Let *name* equal *pat* (named capture). Named captures can be used as -backreferences like so: `` @foo=word `( foo `) `` (matches **"asdf(asdf)"** or -**"baz(baz)"**, but not **"foo(baz)"**) +: Let *name* equal *pat* (named capture). Named captures can be used in +text replacements. *pat* `=>` `"`*replacement*`"` : Replace *pat* with *replacement*. Note: *replacement* should be a string |