topic Re: Working on functions- to insert _ for every letter in a word in SAS Programming

Working on functions- to insert _ for every letter in a word

meena_gowtham — Tue, 14 Dec 2021 11:25:50 GMT

Hello,

Kindly help me with this task.

I do have a variable with value 'GLOBAL INDIA'

Here, I want to insert '_' for every letter

Output I need: G_L_O_B_A_L I_N_D_I_A

Re: Working on functions- to insert _ for every letter in a word

Patrick — Tue, 14 Dec 2021 11:48:39 GMT

Strange requirement. Below will work as long as you are not dealing with characters that use more than one byte (because the SAS RegEx functions are not - yet? - built for this).

data test;
  var='GLOBAL INDIA';

  /* define length for new variable doubled the source variable */
  if 0 then var_new=var||var;

  var_new=prxchange('s/([^ ])(?!\b)/$1_/oi',-1,strip(var));
run;

Re: Working on functions- to insert _ for every letter in a word

andreas_lds — Tue, 14 Dec 2021 11:53:46 GMT

Looks like homework, what have you tried so far?

Your wanted output does not match the description, there is no underscore after the final A.

If this is type, using a regular expression is my first choice.

Re: Working on functions- to insert _ for every letter in a word

Ksharp — Tue, 14 Dec 2021 12:15:59 GMT

data test;
var='GLOBAL INDIA';

var_new=prxchange('s/(\w)(?=\w)/$1_/o',-1,strip(var));
run;