How to remove extra characters from a QT C++ string?

Question

Qt

I accept data from the com port. This kind of data comes in:

1H|\^&|||ACL9000|||||||P|1|20200206123249
90
2P|1|||||||U||||||||||||||||||||||||||
90
3O|1|3||^^^0013|||||||||||^|||||||||||F||||||
F8
4R|1|^^^0013|29.900|s||||F||||20200206105424|
98
5C|1|I|300^Result out of Normal Range|I
AE
6R|2|^^^0013|2.821|R||||F||||20200206105424|
43
7R|3|^^^0013|2.792|INR||||F||||20200206105424|
E3
0C|1|I|300^Result out of Normal Range|I
A9
1R|4|^^^0013|22.475|%||||F||||20200206105424|
4A
2C|1|I|300^Result out of Normal Range|I
AB
3O|2|3||^^^0202|||||||||||^|||||||||||F||||||
F9
4R|1|^^^0202|10.900|s||||F||||20200206110816|
8F
5C|1|I|300^Result out of Normal Range|I
AE
6R|2|^^^0202|3.621|g/L||||F||||20200206110816|
D3
7P|2|||||||U||||||||||||||||||||||||||
96
0O|1|2||^^^0013|||||||||||^|||||||||||F||||||
F4
1R|1|^^^0013|11.400|s||||F||||20200206105424|
87
2R|2|^^^0013|1.075|R||||F||||20200206105424|
3F
3R|3|^^^0013|1.075|INR||||F||||20200206105424|
D8
4R|4|^^^0013|95.438|%||||F||||20200206105424|
56
5O|2|2||^^^0092|||||||||||^|||||||||||F||||||
01
6R|1|^^^0092|35.300|s||||F||||20200206110136|
94
7R|2|^^^0092|1.107|R||||F||||20200206110136|
43
0O|3|2||^^^0202|||||||||||^|||||||||||F||||||
F6
1R|1|^^^0202|9.700|s||||F||||20200206110816|
62
2R|2|^^^0202|4.283|g/L||||F||||20200206110816|
D4
3P|3|||||||U||||||||||||||||||||||||||
93
4O|1|1||^^^0013|||||||||||^|||||||||||F||||||
F7
5R|1|^^^0013|11.200|s||||F||||20200206105424|
89
6R|2|^^^0013|1.057|R||||F||||20200206105424|
43
7R|3|^^^0013|1.056|INR||||F||||20200206105424|
DB
0R|4|^^^0013|98.909|%||||F||||20200206105424|
58
1L|1|N
04

How to clear a line from characters of the DB type, but it is better to delete the line if the type is DB, i.e. those characters that through time?

Answer 1

"In the forehead" - drive the output into a QStringList and delete those lines whose length is 3.

Answer 2

You can write a parser and regular expressions for it, qt has a QRegExp Class with which you can write a parser.