替换RegExp - 负面模式 [英] Replace RegExp - negative pattern
问题描述
我有'contenteditable'的div。我想在这个div中过滤char,当 [^± - źa-z0-9 \ s]
AND NOT(& amp; sbsp)时,我必须更改颜色字符,与模式不匹配。
例如,当我得到 $(this).html()
:$ b $bdfgtąść45%$# tg& nbsp ; ss & k ; - 我想更改为红色粗体字符。
I have div with 'contenteditable'. I would like filter char in this div, and when is [^ą-źa-z0-9\s]
AND NOT ( ), I must change color char, don't match the pattern.
For example, when I get $(this).html()
:
dfgtąść45%$#tg ss&k; - I would like change to red color bold char.
JS:
var t = $(this).html().replace(/<\/?[^>]+>/gi, '').replace(/\s$/, ' ');
t = t.replace(/( )[^ą-źa-z0-9\s]/ig,function(match){return '<span style="color: red;">' + match + "</span>";});
$(this).html(t);
推荐答案
这是一种方式
t = t.replace( /( )|(?:(?! )[^ą-źa-z0-9\s])+/ig,
function ( match, nbsp ) {
return nbsp ? nbsp : '<span style="color: red;">' + match + "</span>";
});
请注意,不建议以这种方式操纵html:例如,元素属性中的任何字符匹配否定的字符类将被错误地包含在 span
标记中。
Note though that manipulating html in this way is not recommended: for example, any characters within element attributes which match the negated character class would be mistakenly enclosed in span
tags.
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