-
Notifications
You must be signed in to change notification settings - Fork 106
/
batStr.ml
31 lines (29 loc) · 1.33 KB
/
batStr.ml
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
(*
* ExtStr - Additional functions for regular expressions manipulation
* Copyright (C) 2008 David Teller, LIFO, Universite d'Orleans
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version,
* with the special exception on linking described in file LICENSE.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*)
open Str
let search ?(offset=0) ?(backwards=false) r s =
let next,next_offset = if backwards then search_backward, -1
else search_forward, 1
in
let aux offset =
try let offset' = next r s offset in
Some ((match_beginning (), match_end (), matched_string s), offset' + next_offset)
with Not_found -> None
in BatEnum.unfold offset aux