the string to be matched looks something like this:
url("http://localhost:8888/img/4ecdd7cd00b149c1ba169c2671dcdc82.png")the result I want:
http://localhost:8888/img/4ecdd7cd00b149c1ba169c2671dcdc82.pngwhat I"m trying to write is regular:
let url= "url("http://localhost:8888/img/4ecdd7cd00b149c1ba169c2671dcdc82.png")"
let reg = /[^url("")]+[^\s]*/gi;
reg.exec(url)print result:
your regular string doesn't need to be regular, just intercept the string
str = "url(xxx)"
str.substring(4,str.length-1) // xxxreg=/url\((.*?)\)/ 
var url= 'url("http://localhost:8888/img/4ecdd7cd00b149c1ba169c2671dcdc82.png")'
var reg = /^url\(\"(.*)\"\)/;
console.log(reg.exec(url)[1])when you encounter a scene and write a regular, and you don't know if it's right or what's wrong, you can go to regex101.com to see what your regular means.
let url= 'url("http://localhost:8888/img/4ecdd7cd00b149c1ba169c2671dcdc82.png")'
let reg = /\((.+?)\)/g,
reg2 = /\"(.+?)\"/g;
console.log(reg2.exec(reg.exec(url)[1])[1])str.replace(/url\("([^"]*)"\)/i,"$1");1. The string str= "zz=aaa,bb=bbb,cc=ccc;User=ZZZ&zz=aaa1&bb=bbb1&cc=ccc1 " 2. To implement, for example, I pass in the parameter zz, and find the value of aaa1 in the zz=aaa1 after User=ZZZ. How to write the corresponding rule? ...
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MEDU1778421 FEJ7296886 FCIU2741867 FEJ7296887 GLDU9472098 FEJ7296888 I want to match the following numbers and replace them with spaces for example, how to match letters and spaces MEDU1778421 FCIU2741867 GLDU9472098 ...
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var newsname; ctrl.checkNameLegal = function () { if (ctrl.fileName) { var exports = ^(?![.])[ u4e00- u9fa5_.a-zA-Z0-9]+$ ig; if (exports.test(ctrl.fileName)) { newsname = ctrl.fileName; } else { ctrl.fileName = newsname; } } else { newsname = ...
when trying to use regular matching 12-128, it is found that it can match to 129, such as the question. 192.168.0.(12[0-8]|1[0-1][0-9]|[2-9][0-9]|1[2-9]) True is returned when matches 129. judgment 255 will also match the first two digits 25. h...
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const datas =[ "https: img.codeshelper.com upload img 2021 03 09 1tcsu5c0vun5800.png", "https: img.codeshelper.com upload img 2021 03 09 mc3p5hxjed25801.png", "https: img.codeshelper.com upload img 2021 03 09 b0sxs...
*start* import aaa ; *end* let a={ b: c *start* d: e *end* } now you want to match all the content from * start* to * end* , and replace it with ", , that is, all that s left in the above code is: . let a={ b:...
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Code first: if( ( module (?:.+[^ .html])) .test(". src module comment details.html")){ console.log(RegExp.$1) module comment details } if( ( module (?:.+[^ .js])) .test(". src module comment details.js")){ console...
for example: abdsdsdfsdf1526614206112164350fskdfskdf1526614199681037404bcmvbcvbmcnvz: match 1526614206112164350 and 1526614199681037404 in the string, add quotation marks on both sides, and process it as follows: abdsdsdfsdf "1526614206112164350 " fskdf...