求一正则表达式,有点难度!(高手请进)
字符串如下:
" where ((aa=' wacfaatucaabfd2' or aa like 'aa%' and cc<>' ') or (aa<>'waa2' and bb like 's%')) and aa=0"
希望正则表达式能替换掉单引号外面的aa字符串,而不替换单引号里面包含的aa字符串!
比如aa字符串用Field1替换,得到的字符串是:
" where ((Field1=' wacfaatucaabfd2' or Field1 like 'aa%' and cc<>' ') or (Field1<>'waa2' and bb like 's%')) and Field1=0"
请各位高手指教,谢谢!