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            <title><![CDATA[Learn sed (part 2)]]></title>
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            <description><![CDATA[Regular expression in sed

Overview

Regular expression hay viết ngắn là regex là 1 mẫu (pattern) hỗ trợ tìm kiếm các đoạn substring phù hợp điều kiện...]]></description>
                        <dc:creator xmlns:dc="http://purl.org/dc/elements/1.1/">Nguyen Thanh Tung B</dc:creator>
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            <description><![CDATA[Introduction

Sed  1 stream editor có tác dụng biến đổi text từ 1 input stream (1 file hoặc đầu vào của 1 pipeline - lấy từ kết quả đầu ra của 1 chuỗi...]]></description>
                        <dc:creator xmlns:dc="http://purl.org/dc/elements/1.1/">Nguyen Thanh Tung B</dc:creator>
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