var a = "I come from China!",
keyword = "come",
reg = new RegExp("\\s+"+keyword+"\\s+[^\\s]+","g"),
start = "<span style = 'color:red;'>",
end = "</span>";
a = a.replace(reg,function($1){
return start+$1+end;
});
document.getElementById("a").innerHTML = a;js写的正则表达式!
keyword = "come",
reg = new RegExp("\\s+"+keyword+"\\s+[^\\s]+","g"),
start = "<span style = 'color:red;'>",
end = "</span>";
a = a.replace(reg,function($1){
return start+$1+end;
});
document.getElementById("a").innerHTML = a;js写的正则表达式!
解决方案 »
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