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rex.flags

Summary

Returns a table of PCRE flags

Prototype

flag_table = rex.flags ()


Description

This returns a table of PCRE flags. You can index into this to get various compile and runtime flags.

The following are valid compile-time flags:


  • ANCHORED
  • CASELESS
  • DOLLAR_ENDONLY
  • DOTALL
  • EXTENDED
  • EXTRA
  • MULTILINE
  • NO_AUTO_CAPTURE
  • UNGREEDY
  • UTF8



The following are valid execution-time flags:


  • ANCHORED
  • NOTBOL
  • NOTEOL
  • NOTEMPTY


An example of using the flags would be:


re = rex.new ("(.+) goes (.+)", rex.flags ().CASELESS)


This would make a caseless regular expression.


See Also ...

Lua functions

re:exec - Matches a regexp to a string, returning offsets
re:gmatch - Matches a regexp to a string, applying a function
re:match - Matches a regexp to a string
rex.new - Compiles a regular expression

Topics

Lua base functions
Lua bc (big number) functions
Lua bit manipulation functions
Lua coroutine functions
Lua debug functions
Lua io functions
Lua LPEG library
Lua math functions
Lua os functions
Lua package functions
Lua PCRE regular expression functions
Lua script extensions
Lua string functions
Lua syntax
Lua table functions
Lua utilities
Scripting
Scripting callbacks - plugins

(Help topic: lua=rex.flags)

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