match

get matches within string, using given regular expression

Parameters

match string :string
      regex :char :string :regex

Attributes

onceget just the first match
countjust get number of matches
captureget capture groups only
namedget named capture groups as a dictionary
boundsget match bounds only
in:rangeget matches within given range
fullget results as an array of match results

Returns

  • :integer
  • :dictionary
  • :block

Examples

copy
match "hello" "hello"                   ; => ["hello"]
match "x: 123, y: 456" {/[0-9]+/}       ; => ["123" "456"]
match "this is a string" {/[0-9]+/}     ; => []

copy
match.once "x: 123, y: 456" {/[0-9]+/}      ; => ["123"]

copy
match.count "some words" {/\w+/}        ; => 2

copy
match.capture "abc" {/(.)/}             ; => ["a" "b" "c"]

match.capture "x: 123, y: 456 - z: 789, w: 012" 
              {/\w: (\d+), \w: (\d+)/}
; => [["123" "456"] ["789" "012"]]

copy
inspect match.capture.named "x: 123, y: 456 - z: 789, w: 012" 
                            {/\w: (?\d+), \w: (?\d+)/}
;[ :block
;    [ :dictionary
;        numA  :        123 :string
;        numB  :        456 :string
;    ]
;    [ :dictionary
;        numA  :        789 :string
;        numB  :        012 :string
;    ]
;]

copy
match.bounds "hELlo wORLd" {/[A-Z]+/} 
; => [1..2 7..9]

copy
match.in:0..2 "hello" {/l/}             ; => ["l"]

Related