How delete first two characters ?

Hi all,

i have problem like this i want to delete first two (~~) characters . i am written concatenate statement in the loop so v_string taking spaces

so i want to remove this ~~ .

plz any tell how to do this.

this is code in the loop.

CONCATENATE v_string ','

itab-arktx

itab-vrkme

total

total1

itab-vat_rate

itab-matkl

total2

INTO v_string SEPARATED BY '~~'.

present ouput:

~_00500000123~ 2~_0003000963~~~test6

~_00500000123~ 2~_0003000963~~~test6

act output :

00500000123~~ 2~_0003000963~~~test6

00500000123~~ 2~_0003000963~~~test6

thaks for advance

regards

sai