1
我想爲所有'/'字符添加尾隨和前導空格,但只有當這些位置中沒有空格時纔會添加尾隨和前導空格,做一個.Replace("/","/")
如果不存在,將尾隨和前導空格添加到字符串中的字符
所以串
This/is fine/these should be replaced hi/there/nice/to/meet/you
應該成爲
This/is fine/these should be replaced hi/there/nice/to/meet/you