Javascript 设置用双引号括起来的单词的CSS
这是我关于的问题的后续问题 我要做的事情：如果某些代码有引号或双引号，我想将字体的颜色设置为红色和粗体。例如，Javascript 设置用双引号括起来的单词的CSS,javascript,jquery,html,css,string,Javascript,Jquery,Html,Css,String,这是我关于的问题的后续问题 我要做的事情：如果某些代码有引号或双引号，我想将字体的颜色设置为红色和粗体。例如，System.out.println（“你好世界”）应将“Hello world”设置为红色 <script type="text/javascript"> $(document).ready(function(){ //cache the element el = $('#java'); //get the HTML contained within the cach
System.out.println（“你好世界”）应将“Hello world”设置为红色
<script type="text/javascript">
$(document).ready(function(){
//cache the element
el = $('#java');
//get the HTML contained within the cached element
code = el.html();
//return the code having executed the replace method, regex explained:
/*
([^\w]{1}) -> look for a single character that is not an alpha character
(["']) -> then look for either a single quote or double quote
(.*?) -> then look any character, but don't be greedy
(\2) -> then look for what was found in the second group - " or '
([^\w]{1}) -> and finally look for a single character that is not an alpha character
*/
code = code.replace(/([^\w]{1})(["'])(.*?)(\2)([^\w]{1})/gm,
//execute an anonymous callback, passing in the result for every match found
function(match, $1, $2, $3, $4, $5, offset, original) {
//construct the replacement
str = $1 + '<span class="quotes">' + $2 + $3 + $4 + '</span>' + $5;
//return the replacement
return str;
});
//replace the existing HTML within the cached element
el.html(code);
});
</script>
$(document).ready(function() {
var code = $("#java").html(); // Get the code
var split = code.split('\"'); // Split up each element at the "
// Set the CSS of reserved words, digits, strings, and comments
for (var j = 0; j < split.length - 1; j++) {
if (j%2 == 0) { //if first, add beginning
split[j] = split[j] + '<span class="quotes">"';
} else {//if second, add ending
split[j] = split[j] + '"</span>';
}
}
// Join all the split up elements back together!
$("#java").html(split.join(""));
code = $("#java").html(); // Get the code
split = code.split('\''); // Split up each element at the '
var openQ = 1;
var sub1;
var sub2;
for (var j = 0; j < split.length - 1; j++) {
sub1 = split[j+1].substr(0,2); //checking for a contraction of 's
sub2 = split[j+1].substr(0,3); //checking for a contraction of 'll
if(sub1 != "s " && sub2 != "ll ") {
if (openQ) { //if first, add beginning
split[j] = split[j] + '<span class="quotes">\'';
openQ = 0;
} else {//if second, add ending
split[j] = split[j] + '\'</span>';
openQ = 1;
}
}
else {//add apostrophe back
split[j] = split[j] + '\'';
}
}
$("#java").html(split.join(""));
});
怎么了：尽管我尽了最大努力，但我似乎无法让我的控制语句正常工作（至少我认为这是问题所在）。它将第一个双引号及其后设置为红色，但当我告诉它当一个单词等于anyword“或anyword”时停止，它将块中的其余代码设置为红色
HTML
<html>
<body>
<code id="java">
public static void main(String[] args)<br>
{
<pre> int i = 120; </pre><br>
<pre> // Displays a message in the console </pre>
<pre> // This is a test </pre>
<pre> System.out.println( "Hello Big World!" );</pre>
}
</code>
</body>
</html>
$(document).ready(function() {
var code = $("#java").html(); // Get the code
var split = code.split(' '); // Split up each element
var chkQ = 0; // Check for quotes
var chkC = 0; // Check until end of comment line
// Set the CSS of reserved words, digits, strings, and comments
for (var j = 0; j < split.length; j++) {
// Check to see if chkQ is set to true
if (chkQ == 1) {
// If the element matches (anyword") or (anyword'), then set
// flag to false and continue checking the rest of the code.
// Else, continue setting the CSS to .quotes
if (split[j].match(/."/) || split[j].match(/.'/)) {
split[j] = '<span class="quotes">' + split[j] + '</span>';
chkQ = 0;
} else {
split[j] = '<span class="quotes">' + split[j] + '</span>';
}
}
...
} else if (chkQ == 0 && chkC == 0) {
...
// If the element matches a ("anyword) or ('anyword)...
} else if (split[j].match(/"./) || split[j].match(/'./)) {
split[j] = '<span class="quotes">' + split[j] + '</span>';
chkQ = 1;
} ...
}
}
// Join all the split up elements back together!
$("#java").html(split.join(' '));
});
function quotes(id,classid) {
var code = document.getElementById(id).innerHTML;
var split = code.split('\"');
for (var j = 0; j < split.length - 1; j++) {
if (j%2 == 0) {
split[j] = split[j] + '<span class='+classid+'>"';
} else {
split[j] = split[j] + '"</span>';
}
}
document.getElementById(id).innerHTML = split.join("");
code = document.getElementById(id).innerHTML;
split = code.split('\'');
var openQ = 1;
var sub1;
var sub2;
for (var j = 0; j < split.length - 1; j++) {
sub1 = split[j+1].substr(0,2);
sub2 = split[j+1].substr(0,3);
if(sub1 != "s " && sub2 != "ll ") {
if (openQ) {
split[j] = split[j] + '<span class='+classid+'>\'';
openQ = 0;
} else {
split[j] = split[j] + '\'</span>';
openQ = 1;
}
}
else {
split[j] = split[j] + '\'';
}
}
document.getElementById(id).innerHTML = split.join("");
}
$(document).ready(function() {
var code = $("#java").html(); // Get the code
var split = code.split(' '); // Split up each element
var chkQ = 0; // Check for quotes
var chkC = 0; // Check until end of comment line
// Set the CSS of reserved words, digits, strings, and comments
for (var j = 0; j < split.length; j++) {
// Check to see if chkQ is set to true
if (chkQ == 1) {
// If the element matches (anyword") or (anyword'), then set
// flag to false and continue checking the rest of the code.
// Else, continue setting the CSS to .quotes
if (split[j].match(/."/) || split[j].match(/.'/)) {
split[j] = '<span class="quotes">' + split[j] + '</span>';
chkQ = 0;
} else {
split[j] = '<span class="quotes">' + split[j] + '</span>';
}
}
...
} else if (chkQ == 0 && chkC == 0) {
...
// If the element matches a ("anyword) or ('anyword)...
} else if (split[j].match(/"./) || split[j].match(/'./)) {
split[j] = '<span class="quotes">' + split[j] + '</span>';
chkQ = 1;
} ...
}
}
// Join all the split up elements back together!
$("#java").html(split.join(' '));
});
jQuery
<html>
<body>
<code id="java">
public static void main(String[] args)<br>
{
<pre> int i = 120; </pre><br>
<pre> // Displays a message in the console </pre>
<pre> // This is a test </pre>
<pre> System.out.println( "Hello Big World!" );</pre>
}
</code>
</body>
</html>
$(document).ready(function() {
var code = $("#java").html(); // Get the code
var split = code.split(' '); // Split up each element
var chkQ = 0; // Check for quotes
var chkC = 0; // Check until end of comment line
// Set the CSS of reserved words, digits, strings, and comments
for (var j = 0; j < split.length; j++) {
// Check to see if chkQ is set to true
if (chkQ == 1) {
// If the element matches (anyword") or (anyword'), then set
// flag to false and continue checking the rest of the code.
// Else, continue setting the CSS to .quotes
if (split[j].match(/."/) || split[j].match(/.'/)) {
split[j] = '<span class="quotes">' + split[j] + '</span>';
chkQ = 0;
} else {
split[j] = '<span class="quotes">' + split[j] + '</span>';
}
}
...
} else if (chkQ == 0 && chkC == 0) {
...
// If the element matches a ("anyword) or ('anyword)...
} else if (split[j].match(/"./) || split[j].match(/'./)) {
split[j] = '<span class="quotes">' + split[j] + '</span>';
chkQ = 1;
} ...
}
}
// Join all the split up elements back together!
$("#java").html(split.join(' '));
});
function quotes(id,classid) {
var code = document.getElementById(id).innerHTML;
var split = code.split('\"');
for (var j = 0; j < split.length - 1; j++) {
if (j%2 == 0) {
split[j] = split[j] + '<span class='+classid+'>"';
} else {
split[j] = split[j] + '"</span>';
}
}
document.getElementById(id).innerHTML = split.join("");
code = document.getElementById(id).innerHTML;
split = code.split('\'');
var openQ = 1;
var sub1;
var sub2;
for (var j = 0; j < split.length - 1; j++) {
sub1 = split[j+1].substr(0,2);
sub2 = split[j+1].substr(0,3);
if(sub1 != "s " && sub2 != "ll ") {
if (openQ) {
split[j] = split[j] + '<span class='+classid+'>\'';
openQ = 0;
} else {
split[j] = split[j] + '\'</span>';
openQ = 1;
}
}
else {
split[j] = split[j] + '\'';
}
}
document.getElementById(id).innerHTML = split.join("");
}
$（文档）.ready（函数（）{
.quotes
{
font-weight: bold;
color: #E01B1B;
}
<script type="text/javascript">
$(document).ready(function(){
//cache the element
el = $('#java');
//get the HTML contained within the cached element
code = el.html();
//return the code having executed the replace method, regex explained:
/*
([^\w]{1}) -> look for a single character that is not an alpha character
(["']) -> then look for either a single quote or double quote
(.*?) -> then look any character, but don't be greedy
(\2) -> then look for what was found in the second group - " or '
([^\w]{1}) -> and finally look for a single character that is not an alpha character
*/
code = code.replace(/([^\w]{1})(["'])(.*?)(\2)([^\w]{1})/gm,
//execute an anonymous callback, passing in the result for every match found
function(match, $1, $2, $3, $4, $5, offset, original) {
//construct the replacement
str = $1 + '<span class="quotes">' + $2 + $3 + $4 + '</span>' + $5;
//return the replacement
return str;
});
//replace the existing HTML within the cached element
el.html(code);
});
</script>
$(document).ready(function() {
var code = $("#java").html(); // Get the code
var split = code.split('\"'); // Split up each element at the "
// Set the CSS of reserved words, digits, strings, and comments
for (var j = 0; j < split.length - 1; j++) {
if (j%2 == 0) { //if first, add beginning
split[j] = split[j] + '<span class="quotes">"';
} else {//if second, add ending
split[j] = split[j] + '"</span>';
}
}
// Join all the split up elements back together!
$("#java").html(split.join(""));
code = $("#java").html(); // Get the code
split = code.split('\''); // Split up each element at the '
var openQ = 1;
var sub1;
var sub2;
for (var j = 0; j < split.length - 1; j++) {
sub1 = split[j+1].substr(0,2); //checking for a contraction of 's
sub2 = split[j+1].substr(0,3); //checking for a contraction of 'll
if(sub1 != "s " && sub2 != "ll ") {
if (openQ) { //if first, add beginning
split[j] = split[j] + '<span class="quotes">\'';
openQ = 0;
} else {//if second, add ending
split[j] = split[j] + '\'</span>';
openQ = 1;
}
}
else {//add apostrophe back
split[j] = split[j] + '\'';
}
}
$("#java").html(split.join(""));
});
var code=$（“#java”）.html（）；//获取代码
var split=code.split（“”）；//拆分每个元素
var chkQ=0；//检查引号
var chkC=0；//检查直到注释行结束
//设置保留字、数字、字符串和注释的CSS
对于（var j=0；j.quotes
{
font-weight: bold;
color: #E01B1B;
}
//检查chkQ是否设置为真
如果（chkQ==1）{
.quotes
{
font-weight: bold;
color: #E01B1B;
}
//如果元素匹配（anyword”）或（anyword'），则设置
//标记为false并继续检查代码的其余部分。
//否则，继续将CSS设置为.quotes
如果（拆分[j]。匹配（/。“/）| |拆分[j]。匹配（/。/））{
.quotes
{
font-weight: bold;
color: #E01B1B;
}
拆分[j]=''+拆分[j]+''；
chkQ=0；
}否则{
.quotes
{
font-weight: bold;
color: #E01B1B;
}
拆分[j]=''+拆分[j]+''；
}
}
...
}else if（chkQ==0&&chkC==0）{
.quotes
{
font-weight: bold;
color: #E01B1B;
}
...
//如果元素与（'anyword）或（'anyword）。。。
}else if（split[j].match（/“/）| | split[j].match（/”./））{
.quotes
{
font-weight: bold;
color: #E01B1B;
}
拆分[j]=''+拆分[j]+''；
chkQ=1；
} ...
}
}
//将所有拆分的元素重新连接在一起！
$（“#java”）.html（split.join（“”））；
});
<script type="text/javascript">
$(document).ready(function(){
//cache the element
el = $('#java');
//get the HTML contained within the cached element
code = el.html();
//return the code having executed the replace method, regex explained:
/*
([^\w]{1}) -> look for a single character that is not an alpha character
(["']) -> then look for either a single quote or double quote
(.*?) -> then look any character, but don't be greedy
(\2) -> then look for what was found in the second group - " or '
([^\w]{1}) -> and finally look for a single character that is not an alpha character
*/
code = code.replace(/([^\w]{1})(["'])(.*?)(\2)([^\w]{1})/gm,
//execute an anonymous callback, passing in the result for every match found
function(match, $1, $2, $3, $4, $5, offset, original) {
//construct the replacement
str = $1 + '<span class="quotes">' + $2 + $3 + $4 + '</span>' + $5;
//return the replacement
return str;
});
//replace the existing HTML within the cached element
el.html(code);
});
</script>
$(document).ready(function() {
var code = $("#java").html(); // Get the code
var split = code.split('\"'); // Split up each element at the "
// Set the CSS of reserved words, digits, strings, and comments
for (var j = 0; j < split.length - 1; j++) {
if (j%2 == 0) { //if first, add beginning
split[j] = split[j] + '<span class="quotes">"';
} else {//if second, add ending
split[j] = split[j] + '"</span>';
}
}
// Join all the split up elements back together!
$("#java").html(split.join(""));
code = $("#java").html(); // Get the code
split = code.split('\''); // Split up each element at the '
var openQ = 1;
var sub1;
var sub2;
for (var j = 0; j < split.length - 1; j++) {
sub1 = split[j+1].substr(0,2); //checking for a contraction of 's
sub2 = split[j+1].substr(0,3); //checking for a contraction of 'll
if(sub1 != "s " && sub2 != "ll ") {
if (openQ) { //if first, add beginning
split[j] = split[j] + '<span class="quotes">\'';
openQ = 0;
} else {//if second, add ending
split[j] = split[j] + '\'</span>';
openQ = 1;
}
}
else {//add apostrophe back
split[j] = split[j] + '\'';
}
}
$("#java").html(split.join(""));
});
$(document).ready(function() {
var code = $("#java").html(); // Get the code
var split = code.split(' '); // Split up each element
var chkQ = 0; // Check for quotes
var chkC = 0; // Check until end of comment line
// Set the CSS of reserved words, digits, strings, and comments
for (var j = 0; j < split.length; j++) {
// Check to see if chkQ is set to true
if (chkQ == 1) {
// If the element matches (anyword") or (anyword'), then set
// flag to false and continue checking the rest of the code.
// Else, continue setting the CSS to .quotes
if (split[j].match(/."/) || split[j].match(/.'/)) {
split[j] = '<span class="quotes">' + split[j] + '</span>';
chkQ = 0;
} else {
split[j] = '<span class="quotes">' + split[j] + '</span>';
}
}
...
} else if (chkQ == 0 && chkC == 0) {
...
// If the element matches a ("anyword) or ('anyword)...
} else if (split[j].match(/"./) || split[j].match(/'./)) {
split[j] = '<span class="quotes">' + split[j] + '</span>';
chkQ = 1;
} ...
}
}
// Join all the split up elements back together!
$("#java").html(split.join(' '));
});
问题：这只是我的正则表达式、控制块或其他完全不同的问题吗？当您可以执行简单的全局正则表达式查找和替换时，为什么要拆分字符串：
<script type="text/javascript">
$(document).ready(function(){
//cache the element
el = $('#java');
//get the HTML contained within the cached element
code = el.html();
//return the code having executed the replace method, regex explained:
/*
([^\w]{1}) -> look for a single character that is not an alpha character
(["']) -> then look for either a single quote or double quote
(.*?) -> then look any character, but don't be greedy
(\2) -> then look for what was found in the second group - " or '
([^\w]{1}) -> and finally look for a single character that is not an alpha character
*/
code = code.replace(/([^\w]{1})(["'])(.*?)(\2)([^\w]{1})/gm,
//execute an anonymous callback, passing in the result for every match found
function(match, $1, $2, $3, $4, $5, offset, original) {
//construct the replacement
str = $1 + '<span class="quotes">' + $2 + $3 + $4 + '</span>' + $5;
//return the replacement
return str;
});
//replace the existing HTML within the cached element
el.html(code);
});
</script>
$(document).ready(function() {
var code = $("#java").html(); // Get the code
var split = code.split('\"'); // Split up each element at the "
// Set the CSS of reserved words, digits, strings, and comments
for (var j = 0; j < split.length - 1; j++) {
if (j%2 == 0) { //if first, add beginning
split[j] = split[j] + '<span class="quotes">"';
} else {//if second, add ending
split[j] = split[j] + '"</span>';
}
}
// Join all the split up elements back together!
$("#java").html(split.join(""));
code = $("#java").html(); // Get the code
split = code.split('\''); // Split up each element at the '
var openQ = 1;
var sub1;
var sub2;
for (var j = 0; j < split.length - 1; j++) {
sub1 = split[j+1].substr(0,2); //checking for a contraction of 's
sub2 = split[j+1].substr(0,3); //checking for a contraction of 'll
if(sub1 != "s " && sub2 != "ll ") {
if (openQ) { //if first, add beginning
split[j] = split[j] + '<span class="quotes">\'';
openQ = 0;
} else {//if second, add ending
split[j] = split[j] + '\'</span>';
openQ = 1;
}
}
else {//add apostrophe back
split[j] = split[j] + '\'';
}
}
$("#java").html(split.join(""));
});
$（文档）.ready（函数（）{
.quotes
{
font-weight: bold;
color: #E01B1B;
}
//缓存元素
el=$（'java'）；
//获取缓存元素中包含的HTML
code=el.html（）；
//返回已执行replace方法的代码，regex解释如下：
/*
（[^\w]{1}）->查找不是字母字符的单个字符
.quotes
{
font-weight: bold;
color: #E01B1B;
}
（[“]]）->然后查找单引号或双引号
（.*）->然后查看任何角色，但不要贪婪
（\2）->然后查找在第二组中发现的内容-“或”
（[^\w]{1}）->并最终查找不是字母字符的单个字符
.quotes
{
font-weight: bold;
color: #E01B1B;
}
*/
code=code.replace（/（[^\w]{1}）（[“']）（.*）（\2）（[^\w]{1}）/gm，
.quotes
{
font-weight: bold;
color: #E01B1B;
}
//执行匿名回调，为找到的每个匹配项传递结果
函数（匹配、$1、$2、$3、$4、$5、偏移、原始）{
.quotes
{
font-weight: bold;
color: #E01B1B;
}
//构建替换
str=$1+''+$2+$3+$4+''+$5；
//退回替代品
返回str；
});
//替换缓存元素中的现有HTML
html（代码）；
});
<script type="text/javascript">
$(document).ready(function(){
//cache the element
el = $('#java');
//get the HTML contained within the cached element
code = el.html();
//return the code having executed the replace method, regex explained:
/*
([^\w]{1}) -> look for a single character that is not an alpha character
(["']) -> then look for either a single quote or double quote
(.*?) -> then look any character, but don't be greedy
(\2) -> then look for what was found in the second group - " or '
([^\w]{1}) -> and finally look for a single character that is not an alpha character
*/
code = code.replace(/([^\w]{1})(["'])(.*?)(\2)([^\w]{1})/gm,
//execute an anonymous callback, passing in the result for every match found
function(match, $1, $2, $3, $4, $5, offset, original) {
//construct the replacement
str = $1 + '<span class="quotes">' + $2 + $3 + $4 + '</span>' + $5;
//return the replacement
return str;
});
//replace the existing HTML within the cached element
el.html(code);
});
</script>
$(document).ready(function() {
var code = $("#java").html(); // Get the code
var split = code.split('\"'); // Split up each element at the "
// Set the CSS of reserved words, digits, strings, and comments
for (var j = 0; j < split.length - 1; j++) {
if (j%2 == 0) { //if first, add beginning
split[j] = split[j] + '<span class="quotes">"';
} else {//if second, add ending
split[j] = split[j] + '"</span>';
}
}
// Join all the split up elements back together!
$("#java").html(split.join(""));
code = $("#java").html(); // Get the code
split = code.split('\''); // Split up each element at the '
var openQ = 1;
var sub1;
var sub2;
for (var j = 0; j < split.length - 1; j++) {
sub1 = split[j+1].substr(0,2); //checking for a contraction of 's
sub2 = split[j+1].substr(0,3); //checking for a contraction of 'll
if(sub1 != "s " && sub2 != "ll ") {
if (openQ) { //if first, add beginning
split[j] = split[j] + '<span class="quotes">\'';
openQ = 0;
} else {//if second, add ending
split[j] = split[j] + '\'</span>';
openQ = 1;
}
}
else {//add apostrophe back
split[j] = split[j] + '\'';
}
}
$("#java").html(split.join(""));
});
编辑：刚刚更新它以适应嵌套引号。当您可以执行简单的全局正则表达式查找和替换时，为什么要拆分字符串：
<script type="text/javascript">
$(document).ready(function(){
//cache the element
el = $('#java');
//get the HTML contained within the cached element
code = el.html();
//return the code having executed the replace method, regex explained:
/*
([^\w]{1}) -> look for a single character that is not an alpha character
(["']) -> then look for either a single quote or double quote
(.*?) -> then look any character, but don't be greedy
(\2) -> then look for what was found in the second group - " or '
([^\w]{1}) -> and finally look for a single character that is not an alpha character
*/
code = code.replace(/([^\w]{1})(["'])(.*?)(\2)([^\w]{1})/gm,
//execute an anonymous callback, passing in the result for every match found
function(match, $1, $2, $3, $4, $5, offset, original) {
//construct the replacement
str = $1 + '<span class="quotes">' + $2 + $3 + $4 + '</span>' + $5;
//return the replacement
return str;
});
//replace the existing HTML within the cached element
el.html(code);
});
</script>
$(document).ready(function() {
var code = $("#java").html(); // Get the code
var split = code.split('\"'); // Split up each element at the "
// Set the CSS of reserved words, digits, strings, and comments
for (var j = 0; j < split.length - 1; j++) {
if (j%2 == 0) { //if first, add beginning
split[j] = split[j] + '<span class="quotes">"';
} else {//if second, add ending
split[j] = split[j] + '"</span>';
}
}
// Join all the split up elements back together!
$("#java").html(split.join(""));
code = $("#java").html(); // Get the code
split = code.split('\''); // Split up each element at the '
var openQ = 1;
var sub1;
var sub2;
for (var j = 0; j < split.length - 1; j++) {
sub1 = split[j+1].substr(0,2); //checking for a contraction of 's
sub2 = split[j+1].substr(0,3); //checking for a contraction of 'll
if(sub1 != "s " && sub2 != "ll ") {
if (openQ) { //if first, add beginning
split[j] = split[j] + '<span class="quotes">\'';
openQ = 0;
} else {//if second, add ending
split[j] = split[j] + '\'</span>';
openQ = 1;
}
}
else {//add apostrophe back
split[j] = split[j] + '\'';
}
}
$("#java").html(split.join(""));
});
$（文档）.ready（函数（）{
.quotes
{
font-weight: bold;
color: #E01B1B;
}
//缓存元素
el=$（'java'）；
//获取缓存元素中包含的HTML
code=el.html（）；
//返回已执行replace方法的代码，regex解释如下：
/*
（[^\w]{1}）->查找不是字母字符的单个字符
.quotes
{
font-weight: bold;
color: #E01B1B;
}
（[“]]）->然后查找单引号或双引号
（.*）->然后查看任何角色，但不要贪婪
（\2）->然后查找在第二组中发现的内容-“或”
（[^\w]{1}）->并最终查找不是字母字符的单个字符
.quotes
{
font-weight: bold;
color: #E01B1B;
}
*/
code=code.replace（/（[^\w]{1}）（[“']）（.*）（\2）（[^\w]{1}）/gm，
.quotes
{
font-weight: bold;
color: #E01B1B;
}
//执行匿名回调，为找到的每个匹配项传递结果
函数（匹配、$1、$2、$3、$4、$5、偏移、原始）{
.quotes
{
font-weight: bold;
color: #E01B1B;
}
//构建替换
str=$1+''+$2+$3+$4+''+$5；
//退回替代品
返回str；
});
//替换缓存元素中的现有HTML
html（代码）；
});
<script type="text/javascript">
$(document).ready(function(){
//cache the element
el = $('#java');
//get the HTML contained within the cached element
code = el.html();
//return the code having executed the replace method, regex explained:
/*
([^\w]{1}) -> look for a single character that is not an alpha character
(["']) -> then look for either a single quote or double quote
(.*?) -> then look any character, but don't be greedy
(\2) -> then look for what was found in the second group - " or '
([^\w]{1}) -> and finally look for a single character that is not an alpha character
*/
code = code.replace(/([^\w]{1})(["'])(.*?)(\2)([^\w]{1})/gm,
//execute an anonymous callback, passing in the result for every match found
function(match, $1, $2, $3, $4, $5, offset, original) {
//construct the replacement
str = $1 + '<span class="quotes">' + $2 + $3 + $4 + '</span>' + $5;
//return the replacement
return str;
});
//replace the existing HTML within the cached element
el.html(code);
});
</script>
$(document).ready(function() {
var code = $("#java").html(); // Get the code
var split = code.split('\"'); // Split up each element at the "
// Set the CSS of reserved words, digits, strings, and comments
for (var j = 0; j < split.length - 1; j++) {
if (j%2 == 0) { //if first, add beginning
split[j] = split[j] + '<span class="quotes">"';
} else {//if second, add ending
split[j] = split[j] + '"</span>';
}
}
// Join all the split up elements back together!
$("#java").html(split.join(""));
code = $("#java").html(); // Get the code
split = code.split('\''); // Split up each element at the '
var openQ = 1;
var sub1;
var sub2;
for (var j = 0; j < split.length - 1; j++) {
sub1 = split[j+1].substr(0,2); //checking for a contraction of 's
sub2 = split[j+1].substr(0,3); //checking for a contraction of 'll
if(sub1 != "s " && sub2 != "ll ") {
if (openQ) { //if first, add beginning
split[j] = split[j] + '<span class="quotes">\'';
openQ = 0;
} else {//if second, add ending
split[j] = split[j] + '\'</span>';
openQ = 1;
}
}
else {//add apostrophe back
split[j] = split[j] + '\'';
}
}
$("#java").html(split.join(""));
});
编辑：只是更新了它以适应嵌套的引号。我不知道您的所有要求，但您的单个引号可能会变得有点复杂 我已设置（更新链接以包含嵌套引号） 我不保证它没有bug。它分两个阶段进行替换，首先是双引号，然后是单引号，试图剔除潜在的撇号（注意，下面的代码中撇号过滤器是基于常见的以下字母——不确定实际需要多少个，如果有的话） Javascript
$（文档）.ready（函数（）{
.quotes
{
font-weight: bold;
color: #E01B1B;
}
<script type="text/javascript">
$(document).ready(function(){
//cache the element
el = $('#java');
//get the HTML contained within the cached element
code = el.html();
//return the code having executed the replace method, regex explained:
/*
([^\w]{1}) -> look for a single character that is not an alpha character
(["']) -> then look for either a single quote or double quote
(.*?) -> then look any character, but don't be greedy
(\2) -> then look for what was found in the second group - " or '
([^\w]{1}) -> and finally look for a single character that is not an alpha character
*/
code = code.replace(/([^\w]{1})(["'])(.*?)(\2)([^\w]{1})/gm,
//execute an anonymous callback, passing in the result for every match found
function(match, $1, $2, $3, $4, $5, offset, original) {
//construct the replacement
str = $1 + '<span class="quotes">' + $2 + $3 + $4 + '</span>' + $5;
//return the replacement
return str;
});
//replace the existing HTML within the cached element
el.html(code);
});
</script>
$(document).ready(function() {
var code = $("#java").html(); // Get the code
var split = code.split('\"'); // Split up each element at the "
// Set the CSS of reserved words, digits, strings, and comments
for (var j = 0; j < split.length - 1; j++) {
if (j%2 == 0) { //if first, add beginning
split[j] = split[j] + '<span class="quotes">"';
} else {//if second, add ending
split[j] = split[j] + '"</span>';
}
}
// Join all the split up elements back together!
$("#java").html(split.join(""));
code = $("#java").html(); // Get the code
split = code.split('\''); // Split up each element at the '
var openQ = 1;
var sub1;
var sub2;
for (var j = 0; j < split.length - 1; j++) {
sub1 = split[j+1].substr(0,2); //checking for a contraction of 's
sub2 = split[j+1].substr(0,3); //checking for a contraction of 'll
if(sub1 != "s " && sub2 != "ll ") {
if (openQ) { //if first, add beginning
split[j] = split[j] + '<span class="quotes">\'';
openQ = 0;
} else {//if second, add ending
split[j] = split[j] + '\'</span>';
openQ = 1;
}
}
else {//add apostrophe back
split[j] = split[j] + '\'';
}
}
$("#java").html(split.join(""));
});
var code=$（“#java”）.html（）；//获取代码
var split=code.split（“\”）；//在
//设置保留字、数字、字符串和注释的CSS
对于（var j=0；j.quotes
{
font-weight: bold;
color: #E01B1B;
}
.quotes
{
font-weight: bold;
color: #E01B1B;
}
.quotes
{
font-weight: bold;
color: #E01B1B;
}
.quotes
{
font-weight: bold;
color: #E01B1B;
}
sub1=split[j+1].substr（0,2）；//检查的是's的收缩
sub2=split[j+1]。substr（0,3）；//检查'll的收缩
如果（sub1！=“s”和&sub2！=“ll”）{
.quotes
{
font-weight: bold;
color: #E01B1B;
}
.quotes
{
font-weight: bold;
color: #E01B1B;
}