module String: sig
.. end
New Functions
exception Invalid_string
val init : int -> (int -> char) -> string
init l f
returns the string of length l
with the chars
f 0 , f 1 , f 2 ... f (l-1).
val find : string -> string -> int
find s x
returns the starting index of the string x
within the string s
or raises Invalid_string
if x
is not a substring of s
.
val split : string -> string -> string * string
split s sep
splits the string s
between the first
occurrence of sep
.
raises Invalid_string
if the separator is not found.
val nsplit : string -> string -> string list
nsplit s sep
splits the string s
into a list of strings
which are separated by sep
.
val join : string -> string list -> string
Same as concat
val lchop : string -> string
Returns the same string but without the first character.
does nothing if the string is empty.
val rchop : string -> string
Returns the same string but without the last character.
does nothing if the string is empty.
val of_int : int -> string
Returns the string representation of an int.
val of_float : float -> string
Returns the string representation of an float.
val of_char : char -> string
Returns a string containing one given character.
val to_int : string -> int
Returns the integer represented by the given string or
raises Invalid_string
if the string does not represent an integer.
val to_float : string -> float
Returns the float represented by the given string or
raises Invalid_string if the string does not represent a float.
val ends_with : string -> string -> bool
ends_with s x
returns true if the string s
is ending with x
.
val starts_with : string -> string -> bool
starts_with s x
return true if s
is starting with x
.
val enum : string -> char Enum.t
Returns an enumeration of the characters of a string.
val of_enum : char Enum.t -> string
Creates a string from a character enumeration.
val map : (char -> char) -> string -> string
map f s
returns a string where all characters c
in s
have been
replaced by f c
. *
val strip : ?chars:string -> string -> string
Returns the string without the chars if they are at the beginning or
at the end of the string. By default chars are " \t\r\n".
val exists : string -> string -> bool
exists str sub
returns true if sub
is a substring of str
or
false otherwise.
val replace : (char -> string) -> string -> string
replace f s
returns a string were all chars c
of s
have been
replaced by the string returned by f c
.
Older Functions
Please refer to the Ocaml Manual for documentation of these
functions.
val length : string -> int
val get : string -> int -> char
val set : string -> int -> char -> unit
val create : int -> string
val make : int -> char -> string
val copy : string -> string
val sub : string -> int -> int -> string
val fill : string -> int -> int -> char -> unit
val blit : string -> int -> string -> int -> int -> unit
val concat : string -> string list -> string
val iter : (char -> unit) -> string -> unit
val escaped : string -> string
val index : string -> char -> int
val rindex : string -> char -> int
val index_from : string -> int -> char -> int
val rindex_from : string -> int -> char -> int
val contains : string -> char -> bool
val contains_from : string -> int -> char -> bool
val rcontains_from : string -> int -> char -> bool
val uppercase : string -> string
val lowercase : string -> string
val capitalize : string -> string
val uncapitalize : string -> string
type
t = string
val compare : t -> t -> int