---------------------------- Test U1 ------------------------------
1:X one
2:X two3:X three4:X four
5:X five
6:X six
7:X seven…8:X eight
9:X nine
10:X ten
RC=0
---------------------------- Test U2 ------------------------------
12-Before 111
13-Before 222
14-Before 333…15:Match
16-After 111
17-After 222
18-After 333
RC=0
---------------------------- Test U3 ------------------------------
21:0,2
22:0,2
22:2,2
22:4,2
22:6,2
22:8,2
RC=0
---------------------------- Test U4 ------------------------------
pcre2grep: pcre2_match() gave error -22 while matching this text:

Aက€CD Z

UTF-8 error: isolated byte with 0x80 bit set at offset 4

RC=1
---------------------------- Test U5 ------------------------------
CD Z
RC=0