diff options
Diffstat (limited to 'doc/RE')
| -rw-r--r-- | doc/RE | 23 |
1 files changed, 18 insertions, 5 deletions
@@ -1,4 +1,4 @@ -Oniguruma Regular Expressions Version 6.8.0 2018/03/08 +Oniguruma Regular Expressions Version 6.8.0 2018/04/13 syntax: ONIG_SYNTAX_ONIGURUMA (default) @@ -266,19 +266,32 @@ syntax: ONIG_SYNTAX_ONIGURUMA (default) <Callouts> * Callouts of contents - (?{...contents...}) callouts in progress - (?{...contents...}D) D is a direction flag char. ('X' or '<' or '>') - D = 'X': progress and retraction, '<': retraction only - '>': progress only (default) + (?{...contents...}) callout in progress + (?{...contents...}D) D is a direction flag char + D = 'X': in progress and retraction + '<': in retraction only + '>': in progress only (?{...contents...}[tag]) tag assigned (?{...contents...}[tag]D) + * Escape characters have no effects in contents. + * contents is not allowed to start with '{'. + + (?{{{...contents...}}}) n times continuations '}' in contents is allowed in + (n+1) times continuations {{{...}}}. + + Allowed tag string characters: _ A-Z a-z 0-9 (* first character: _ A-Z a-z) + + * Callouts of name (*name) (*name{args...}) with args (*name[tag]) tag assigned (*name[tag]{args...}) + Allowed name string characters: _ A-Z a-z 0-9 (* first character: _ A-Z a-z) + Allowed tag string characters: _ A-Z a-z 0-9 (* first character: _ A-Z a-z) + <Absent functions> |