Objective Caml module ``String''
Module String: string operations
val length : string -> int
Return the length (number of characters) of the given string.
val get : string -> int -> char
String.get s n returns character number n in string s.
The first character is character number 0.
The last character is character number String.length s - 1.
Raise Invalid_argument if n is outside the range
0 to (String.length s - 1).
You can also write s.[n] instead of String.get s n.
val set : string -> int -> char -> unit
String.set s n c modifies string s in place,
replacing the character number n by c.
Raise Invalid_argument if n is outside the range
0 to (String.length s - 1).
You can also write s.[n] <- c instead of String.set s n c.
val create : int -> string
String.create n returns a fresh string of length n.
The string initially contains arbitrary characters.
val make : int -> char -> string
String.make n c returns a fresh string of length n,
filled with the character c.
val copy : string -> string
Return a copy of the given string.
val sub : string -> int -> int -> string
String.sub s start len returns a fresh string of length len,
containing the characters number start to start + len - 1
of string s.
Raise Invalid_argument if start and len do not
designate a valid substring of s; that is, if start < 0,
or len < 0, or start + len > String.length s.
val fill : string -> int -> int -> char -> unit
String.fill s start len c modifies string s in place,
replacing the characters number start to start + len - 1
by c.
Raise Invalid_argument if start and len do not
designate a valid substring of s.
val blit : string -> int -> string -> int -> int -> unit
String.blit src srcoff dst dstoff len copies len characters
from string src, starting at character number srcoff, to
string dst, starting at character number dstoff. It works
correctly even if src and dst are the same string,
and the source and destination chunks overlap.
Raise Invalid_argument if srcoff and len do not
designate a valid substring of src, or if dstoff and len
do not designate a valid substring of dst.
val concat : string -> string list -> string
String.concat sep sl catenates the list of strings sl,
inserting the separator string sep between each.
val escaped: string -> string
Return a copy of the argument, with special characters represented
by escape sequences, following the lexical conventions of
Objective Caml.
val index: string -> char -> int
String.index s c returns the position of the leftmost
occurrence of character c in string s.
Raise Not_found if c does not occur in s.
val rindex: string -> char -> int
String.rindex s c returns the position of the rightmost
occurrence of character c in string s.
Raise Not_found if c does not occur in s.
val index_from: string -> int -> char -> int
val rindex_from: string -> int -> char -> int
Same as String.index and String.rindex, but start
searching at the character position given as second argument.
String.index s c is equivalent to String.index_from s 0 c,
and String.rindex s c to
String.rindex_from s (String.length s - 1) c.
val contains : string -> char -> bool
String.contains s c tests if character c
appears in the string s.
val contains_from : string -> int -> char -> bool
String.contains_from s start c tests if character c
appears in the substring of s starting from start to the end
of s.
Raise Invalid_argument if start is not a valid index of s.
val rcontains_from : string -> int -> char -> bool
String.rcontains_from s stop c tests if character c
appears in the substring of s starting from the beginning
of s to index stop.
Raise Invalid_argument if stop is not a valid index of s.
val uppercase: string -> string
Return a copy of the argument, with all lowercase letters
translated to uppercase, including accented letters of the ISO
Latin-1 (8859-1) character set.
val lowercase: string -> string
Return a copy of the argument, with all uppercase letters
translated to lowercase, including accented letters of the ISO
Latin-1 (8859-1) character set.
val capitalize: string -> string
Return a copy of the argument, with the first letter
set to uppercase.
val uncapitalize: string -> string
Return a copy of the argument, with the first letter
set to lowercase.
This document was translated from LATEX by
HEVEA.