Method code for $list.grep()

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arg lines, regexp;
var line, result, out, reg;

out = [];
for line in [1 .. lines.length()] {
    if ((reg = match_regexp(lines[line], regexp)))
        out += [[line, reg, lines[line]]];
}
return out;

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["// Created 26-Mar-1995 as a part of ColdCore, see: @help Credit"]