:
var regexp = new RegExp("<~~include(.*?)~~>", "g");
如何将变数分配到与......相匹配的变数?
我可以这样做,但很奇怪的是:
myString.match(regexp).replace("<~~include", "").replace("~~>", "");
:
var regexp = new RegExp("<~~include(.*?)~~>", "g");
如何将变数分配到与......相匹配的变数?
我可以这样做,但很奇怪的是:
myString.match(regexp).replace("<~~include", "").replace("~~>", "");
贾瓦文应交还一个阵列标,即阵列的零指数是与之相匹配的整体体,以下指数是捕获组。 在你看来,情况如下:
var myVar = regexp.exec(myString)[1];
应将<代码>(*?)捕获组的数值分配到myVar
。
(Quotes from MDC)
将母体纳入经常表达方式,可引起相应的需要记住的次量。 例如,<代码>/a(b)c/ 页: 1
自.*?
以来,在您的替换说明中,首先(仅)记住匹配,使用<代码>$1:
var foo = myString.replace(regexp, $1 );
<><>Edit>: 根据你的意见,你也可以(也许有更明确的意图)这样做:
var foo = regexp.exec(myString)[1];
你们可以部分使用head头来表达这种经常言论。 见下文:
和(或)此处:
rel=“nofollow noreferer”> http://www.table-expressions.info/lookaround.html。
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