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1.3.0 permalink

1.2.0
1.3.0

re-seq

clojure.core

(re-seq re s)

Returns a lazy sequence of successive matches of pattern in string,
using java.util.regex.Matcher.find(), each such match processed with
re-groups.

3 Examples top

link | changes
```
user=> (re-seq #"\d" "clojure 1.1.0")
("1" "1" "0")
```
user=> (re-seq #"\d" "clojure 1.1.0") ("1" "1" "0")
link | changes
```
;; Get a sequence of words out of a string.
user=> (re-seq #"\w+" "mary had a little lamb")
("mary" "had" "a" "little" "lamb")
```
;; Get a sequence of words out of a string. user=> (re-seq #"\w+" "mary had a little lamb") ("mary" "had" "a" "little" "lamb")
link | changes
```
;; Parenthesized groups in the regex cause each returned match to be a
;; vector of matched strings.  See re-find for more examples.
user=> (def line " RX pkts:18 err:5 drop:48")
#'user/line

user=> (re-seq #"(\S+):(\d+)" line)
(["pkts:18" "pkts" "18"] ["err:5" "err" "5"] ["drop:48" "drop" "48"])
```
;; Parenthesized groups in the regex cause each returned match to be a ;; vector of matched strings. See re-find for more examples. user=> (def line " RX pkts:18 err:5 drop:48") #'user/line user=> (re-seq #"(\S+):(\d+)" line) (["pkts:18" "pkts" "18"] ["err:5" "err" "5"] ["drop:48" "drop" "48"])

Source clojure/core.clj:4280 top

(defn re-seq
  "Returns a lazy sequence of successive matches of pattern in string,
  using java.util.regex.Matcher.find(), each such match processed with
  re-groups."
  {:added "1.0"
   :static true}
  [^java.util.regex.Pattern re s]
  (let [m (re-matcher re s)]
    ((fn step []
       (when (. m (find))
         (cons (re-groups m) (lazy-seq (step))))))))

Vars in clojure.core/re-seq:

Used in 0 other vars

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Clojure Core

Namespaces

re-seq

clojure.core

3 Examples top

See Also top

Source clojure/core.clj:4280 top

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