Demonstrates how to work with n_cst_re object
n_cst_re lnvo_re
string ls_str = 'test (string)'
integer li_cnt
string ls_arr[]
lnvo_re = create n_cst_re
/*************************************************************/
/* 1.Enclose all words with brackets */
/*************************************************************/
ls_str = 'test (string)'
lnvo_re.of_exec(ls_str, '/\b(\w+)\b/"$1"/g')
//ls_str = '"test" ("string")'
/*************************************************************/
/* 2.Replace position of first and second word */
/*************************************************************/
ls_str = 'first second'
lnvo_re.of_exec(ls_str, '/\b(\w+)(\s+)(\w+)\b/$3$2$1/')
//ls_str = 'second first'
/*************************************************************/
/* 3.Date validation */
/*************************************************************/
ls_str = '11.12.2004'
if lnvo_re.of_exec(ls_str, &
'/^ \d{1,2} ([.\/-]) \d{1,2} \1 (\d{2}|\d{4}) $/x') = 1 then
//ok
else
//fail
end if
/*************************************************************/
/* 4.Splits string by whitespaces */
/*************************************************************/
ls_str = 'first second~tthird ~r~n fourth'
li_cnt = lnvo_re.of_split(ls_str, '/\s+/', ls_arr)
/* Result: li_cnt = 4
ls_arr[1] = 'first'
ls_arr[2] = 'second'
ls_arr[3] = 'third'
ls_arr[4] = 'fourth'
*/
/*************************************************************/
/* 5.Strips C style comments from a string */
/*************************************************************/
ls_str = "first /*it's a comment*/ second /*comment 2*/"
lnvo_re.of_exec(ls_str, '/ \/\* .*? \*\/ //xg')
/* Result: 'first second ' */
destroy lnvo_re
