How to split a field based on a fixed number of bytes

[LRAngela]

hi all，

i want to split a field to some fields，E.g： 

text

1如23 split to       

 1   如     23   

i want use mid（）to run it but i found that  it failed。

mid（text，2，2）  it shows that       如2  .  it's wrong.it should be 如.

so，i want to split a field based on a fixed number of bytes，can you help me，thanks！

[LRAngela]

wow！so cool！it ran successfully。Thank you so much you are amazing。