Module CCStringLabels.Find

type _ pattern
val compile : string -> [ `Direct ] pattern
val rcompile : string -> [ `Reverse ] pattern
val find : ?⁠start:int -> pattern:[ `Direct ] pattern -> string -> int

find ?start ~pattern s searches for pattern in the string s, left-to-right.

returns

the offset of the first match, -1 otherwise.

parameter start

offset in string at which we start.

val rfind : ?⁠start:int -> pattern:[ `Reverse ] pattern -> string -> int

rfind ?start ~pattern s searches for pattern in the string s, right-to-left.

returns

the offset of the start of the first match from the right, -1 otherwise.

parameter start

right-offset in string at which we start.