Hope this should help
textEdit.setPlainText(
"How are you today\n"
"I am not A Visible\n"
"I am not a good\n"
"I am A\n"
"I am a\n"
"I am B");
QStringList lines
= textEdit.
toPlainText().
split("\n");
int i = 0;
while(i < lines.size())
{
if(line.contains('A'))
{
lines.removeAt(i);
}
else
{
i++;
}
}
textEdit.setPlainText(lines.join("\n"));
textEdit.show();
QTextEdit textEdit;
textEdit.setPlainText(
"How are you today\n"
"I am not A Visible\n"
"I am not a good\n"
"I am A\n"
"I am a\n"
"I am B");
QStringList lines = textEdit.toPlainText().split("\n");
int i = 0;
while(i < lines.size())
{
QString line = lines.at(i);
if(line.contains('A'))
{
lines.removeAt(i);
}
else
{
i++;
}
}
textEdit.setPlainText(lines.join("\n"));
textEdit.show();
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