[英]perl regex for replacing multiple matches with corresponding replacements
我想這樣替換每個匹配項:
fn.doc(
fn.collection(
fn.distinctValues( # convert to camelcase also
我可以使用正則表達式找到匹配項,但不確定如何替換。這是正則表達式(\\w+)(:)(\\w+-\\w+\\()|(\\w+)(:)(\\w+\\()
http://regex101.com/r/kD9zG8
預期產量:
let $local-config := fn.doc($alert-action)/alert:action/alert:name
let $local-coll := fn.collection($uri)/alert:action/alert:name
let $global-coll := fn.distinctValues(fn.collection($global-uri)/alert:action/alert:name[../alert:name = 'ml_alert_action_17_01_action'])
請幫忙!
以下簡單的正則表達式應該起作用:
use strict;
use warnings;
my $data = do {local $/; <DATA>};
$data =~ s/(\w+):(\w+)-?(\w*)\(/$1.$2\u$3(/g;
print $data;
__DATA__
let $local-config := fn:doc($alert-action)/alert:action/alert:name
let $local-coll := fn:collection($uri)/alert:action/alert:name
let $global-coll := fn:distinct-values(fn:collection($global-uri)/alert:action/alert:name[../alert:name = 'ml_alert_action_17_01_action'])
輸出:
let $local-config := fn.doc($alert-action)/alert:action/alert:name
let $local-coll := fn.collection($uri)/alert:action/alert:name
let $global-coll := fn.distinctValues(fn.collection($global-uri)/alert:action/alert:name[../alert:name = 'ml_alert_action_17_01_action'])
要處理兩個以上的單詞,可以將正則表達式更改為以下內容:
$data =~ s{(\w+):([\w-]+)(?=\()}{"$1.".lcfirst join '', map ucfirst, split /-/, $2}eg;
或者,如果您的perl版本支持/r
開關:
$data =~ s{(\w+):([\w-]+)(?=\()}{"$1.".$2=~s/-(.)/\u$1/gr}eg;
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