asp 标记字符串中指定字符变色不区分大小写

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我是靠谱客的博主清新大树，最近开发中收集的这篇文章主要介绍asp 标记字符串中指定字符变色不区分大小写，觉得挺不错的，现在分享给大家，希望可以做个参考。

概述

普通的替换函数

复制代码代码如下:

public function HighLight(S,F) 
dim tL,tM,tR,k 
tL="" 
tM="" 
tR=S 
k=instr(1,tR,F,1) 
do while k>0 
tL=tL & left(tR,k-1) 
tM=mid(tR,k,len(F)) 
tL=tL & "<span style='color:red'>" & tM & "</span>" 
tR=right(tR,Len(tR)-len(F)-k+1) 
k=instr(1,tR,F,1) 
loop 
HighLight=tL & tR 
end function 
 tS="abcaBcabCaBCabcaBCa" 
tF="bc" 
response.Write(tS) 
response.Write("<br/>") 
response.Write(HighLight(tS,tF))

正则表达式

复制代码代码如下:

Function HighLight(S,F) 
Dim regEx 
Set regEx = New RegExp 
regEx.IgnoreCase = True 
regEx.Global = True 
regEx.Pattern = "(" & F & ")" 
HighLight = regEx.Replace(S,"<span style='color:red'>$1</span>") 
End Function 
Response.write HighLight("abcaBcabCaBCabcaBCa","bc") 