为"Regex that match any character inside a parenthesis"提供更多帮助

Question

我在这个线程上问了一个相关的问题，它对我帮助很大。

我用了这个代码：

function extractUsers(usersArray) {
var i; // loop counter
for (i = 0; i < usersArray.length; i++) {
if (/(([^)]+))/.test(usersArray[i])) {
// retrieves the user id from strings like "name (ID)"
usersArray[i] = RegExp.$1;
console.log('in the regexloop ' + i + ' of ' + usersArray.length + ' and test. current value: ' + usersArray[i]);
}
//console.log('the cleaned usersArray ' + usersArray);
}
return usersArray;
}

对于用户数组："Carin Nilsson Thorell(Carin.NILSON-T(，Maria Bengzon(Maria.Bengzon(，Therese Rick(THERISE.Rick(，Inti van Eck(IPINTECK(">

控制台日志显示：

selected is Carin Nilsson-Thorell (CARIN.NILSSON-T),Maria Bengzon (MARIA.BENGZON),Therese Rick (THERESE.RICK),Inti van Eck (IPEINTECK)
in the regexloop 0 of 4 and test. current value: CARIN.NILSSON-T
in the regexloop 1 of 4 and test. current value: MARIA.BENGZON
in the regexloop 2 of 4 and test. current value: THERESE.RICK
in the regexloop 3 of 4 and test. current value: IPEINTECK
extracted selected is CARIN.NILSSON-T,MARIA.BENGZON,THERESE.RICK,IPEINTECK

这正是我所希望的。但当用户数组只有一个用户时，"Inti van Eck(IPINTECK("控制台日志显示

selected is Inti van Eck (IPEINTECK)
extracted selected is Inti van Eck (IPEINTECK)

所以它似乎甚至没有进入"如果"语句？为什么？

我甚至试过https://regex101.com/在那里它工作正常…

我也尝试了/(？<=(([^(]*(？=((/版本，但这引发了一些关于？(忘记捕捉那个错误。现在试图复制它，会给我带来其他错误——我会尽快添加错误文本…(

我仍在努力学习有关JavaScript的所有知识，但我确实遇到了困难。

编辑

这是调用extractUsers函数的"父函数"：

function assignStepUsers() {
var element = document.getElementById('mastercontrol.route.stepnumber');
var stepNumber = element.value;
console.log('running form assignStepUsers. stepNumber is ' + stepNumber);
var selected = []; // array. holds the current value of users within a set of statements. set to empty for each stepNumber run.
var i; //loop counter
var pad = "00"; //size of id number
var id; // id number of cause
var counter; // what thing are we counting
var selector; // what elements to select and count
var nr; // how many things are launched (document.getElementById(counter).value)
var things; // how many things in tota l (document.querySelectorAll(selector))
var owner; // holds the current task owner within a set of statements
var field; // the select field that holds all users of a step, with selected users highlighted
var end; // length of field, for loop end.
//var step2Users, step3Users, step4Users, step5Users, step6Users, step7Users, step8Users, step9Users, step10Users, step11Users, step12Users;
// for preview, add "|| stepNumber == 0 || NaN(stepNumber)" after "stepNumber == 1" inside parenthesis
if ((stepNumber == 1 ) && (document.getElementById('mastercontrol.set.CAPA_Owner').value !='' && document.getElementById('mastercontrol.set.CAPA_Coordinator').value != '')) { // removed || stepNumber == 0 || NaN(stepNumber), for troubleshooting/form preview only
console.log('assignStepusers for Step 1 . selected CAPA Owner = ' + document.getElementById('mastercontrol.set.CAPA_Owner').value +  ' selected CAPA Coord = ' + document.getElementById('mastercontrol.set.CAPA_Coordinator').value);
// assign QM and CAPA owner to step 2, 6, 8, 10, 12
// find all content of the QM role field (QMOptions), then push values into array (QM)
var QMOptions = document.getElementById('mastercontrol.role.QM').querySelectorAll('option');
console.log('QMOptions length = ' + QMOptions.length);
var QM = []; // array for all the QM users
var oneQM; // the current QM user of the field
for (i = 0; i < QMOptions.length; i++) {
oneQM = QMOptions[i].value;
QM.push(oneQM);
console.log('QM is now ' + QM);
}
selected = QM;
console.log('selected is ' + selected);
var capaOwner = document.getElementById('mastercontrol.set.CAPA_Owner').value;
selected.push(capaOwner);
console.log('selected is ' + selected);
extractUsers(selected);
console.log('extracted selected is ' + selected);
sortUsers(selected);
console.log('sorted selected is ' + selected);
setStepUsers('mastercontrol.route.stepusers.step2', selected);
setStepUsers('mastercontrol.route.stepusers.step6', selected);
setStepUsers('mastercontrol.route.stepusers.step8', selected);
setStepUsers('mastercontrol.route.stepusers.step10', selected);
setStepUsers('mastercontrol.route.stepusers.step12', selected);
// assign ONLY capa owner to step 4 
selected = capaOwner; // QM users are removed.
console.log('selected is ' + selected); 
extractUsers(selected);
// no need for sortUsers, only one in array.
console.log('extracted selected is ' + selected);
setStepUsers('mastercontrol.route.stepusers.step4', selected);
//assign CAPA Coordinator to 3,5,7,9,11
var capaCoord = document.getElementById('mastercontrol.set.CAPA_Coordinator').value;
selected = capaCoord;
console.log('selected is ' + selected);
extractUsers(selected);
// no need for sortUsers, only one in array.
console.log('extracted selected is ' + selected);
setStepUsers('mastercontrol.route.stepusers.step3', selected);
setStepUsers('mastercontrol.route.stepusers.step5', selected);
setStepUsers('mastercontrol.route.stepusers.step7', selected);
setStepUsers('mastercontrol.route.stepusers.step9', selected);
setStepUsers('mastercontrol.route.stepusers.step11', selected);
}
}

Answer 1

这是传递给函数的参数，更确切地说，在这里：

// assign ONLY capa owner to step 4 
selected = capaOwner; // QM users are removed. //<---- this was wrong!
console.log('selected is ' + selected); 
extractUsers(selected);
// no need for sortUsers, only one in array.
console.log('extracted selected is ' + selected);
setStepUsers('mastercontrol.route.stepusers.step4', selected);
//assign CAPA Coordinator to 3,5,7,9,11
var capaCoord = document.getElementById('mastercontrol.set.CAPA_Coordinator').value;
selected = capaCoord; //<---- this was wrong!
console.log('selected is ' + selected);
extractUsers(selected);

当我使用这个替代：

// assign ONLY capa owner to step 4 
selected = []; // empty the variable array again.
selected.push(capaOwner);  // just add the capaOwner, which was defined above, to the array. (because having just selected = capaOwner failed.)
console.log('selected is ' + selected); 
extractUsers(selected);
// no need for sortUsers, only one in array.
console.log('extracted selected is ' + selected);
setStepUsers('mastercontrol.route.stepusers.step4', selected);
//assign CAPA Coordinator to 3,5,7,9,11
var capaCoord = document.getElementById('mastercontrol.set.CAPA_Coordinator').value;
//selected = capaCoord;
selected = []; // empty the variable array again.
selected.push(capaCoord);  // just add the capaCoord, which was defined above, to the array. (because having just selected = capaCoord failed.)
console.log('selected is ' + selected);
extractUsers(selected);

一切如我所愿！

今天的课程：如果你想让一个数组保持一个数组，不要简单地给它分配一个字符串值。使用.push方法。

谢谢大家！