topic Re: String validation in Application Development and Automation Discussions

String validation

Former Member — Tue, 27 May 2008 15:30:56 GMT

hi, gurus,

i have a problem with a validation program for a text string S.

I want to validate that S starts with string A and ends with another string B.

Both A and B are the sets of different strings.

Is RegEX suitable for this program? Is there agile method to solve it?

Thanks,

xiongfei

Re: String validation

former_member156446 — Tue, 27 May 2008 15:34:27 GMT

Hi Welcome to SDN..


vl_total = strlen ( S ).
vl_check = vl_total - 1.
if S+0(vl_total) CS A and if S+vl_check(vl_total) CS B.

Re: String validation

RichHeilman — Tue, 27 May 2008 15:36:05 GMT

Try this simple logic.

data: lv_str type string value 'ABCaasd;flkajsdf;lkasjXYZ'.
data: lv_begpt type string value 'ABC*'.
data: lv_endpt type string value '*XYZ'.

if lv_str CP lv_begpt
   and lv_str cp lv_endpt.
  write:/ 'String is valid'.
endif.

Regards,

Rich Heilman

Re: String validation

Former Member — Tue, 27 May 2008 15:37:57 GMT

Hi Xiongfei Zhao,

First Find the lenght of the String S using command STRLEN.

STRLEN is used to find the length of the string.

For example suppose the length of the string S is 14.

to find the first charecter use the OFFSET as shown below

data: lw_first type c,
      lw_last type c.

lw_first  = S+0(1).
lw_last = S+9(1).

Best regards,

raam