module Regexp: sig
.. end
Types for regexps
type
regexp
The type for regexps.
type
result
The type for match result.
Constructors
val regexp : string -> regexp
Simple regexp constructor.
val quote : string -> string
Escapes characters with special meaning in the regexp context.
val regexp_string : string -> regexp
regexp_string s
creates a regexp matching the exact string s
.
Functions
val string_match : regexp -> string -> int -> result option
string_match r s i
matches the string s
starting from the i
th
character. Evaluates to None
if s
(from the i
th character) doesn't
match r
.
val search : regexp -> string -> int -> (int * result) option
search r s i
evaluates to the index of the match and the match result or
None
if s
(starting from i
) doesn't match r
.
val matched_string : result -> string
matched_string r
return the exact substring that matched when evaluating
r
.
val matched_group : result -> int -> string option
matched_group r i
is the i
th group matched. Groups in matches are
* obtained with parentheses. Groups are 1-based.
val global_replace : regexp -> string -> string -> string
global_replace r s by
replaces all of the matches of r
in s
by by
.
val replace_first : regexp -> string -> string -> string
replace_first r s by
replaces the first match of r
in s
by by
.
val split : regexp -> string -> string list
split r s
splits the string s
erasing matches with r
.
split (regexp " ") "toto tutu tata"
is ["toto";"tutu";"tata"]
.
val bounded_split : regexp -> string -> int -> string list
bounded_split r s i
is like split r s
except that the result's length is
less than i
.