User: bruce lee -- 2011-06-23 << 804 806 >> |
Hits: 2596 |
Type: Text file parser |
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Description: |
How to extract all lines that contain chem, but not any of org and cn? |
Input Sample: |
www.pride-chem.com www.s-chem.com www.scs-chem.com www.sunvic-chem.com www.aqua-chem.com.cn www.arvechem.com.org www.emzchem.com.cn |
Output Sample: |
www.pride-chem.com www.s-chem.com www.scs-chem.com www.sunvic-chem.com |
Answer: |
Hint: You need to Download and install "Replace Pioneer" on windows platform to finish following steps. |
1. ctrl-o open the source text file 2. ctrl-h open 'replace' dialog * set 'replace unit' to 'Line' * set 'search for pattern' to: * uncheck option of 'Print unmatched unit' * check option of 'Enhnaced Regular Exp'(and uncheck "regular expression" option) * set 'replace with pattern' to: 3. click 'replace', done. 4. for multiple files, click 'batch...' button, and drag multiple files to "Batch Runner" window, and click "Batch Replace", done. Note: if you need reomve lines contain "cn" but not "cnn", you should use "\bcn\b" instead of "cn", here "\b" means word boundary. |
Screenshot 1: Replace_Window |
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Keywords: |
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