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# Search for multiple patterns + one

sed -rn '/(\[processnameA\]|\[processnameB\]).*error message one/p' infile					
sed -n '/PATTERN1.*PATTERN2/p'			
					

sed 's/'`echo "\033"`'/foo/g'					
sed -i “s/\oXX/,/g” file 					

SED REPLACE A PATTERN ON LINES STARTING WITH…					
sed '/^1/s/\(.\{4\}\)\(.\{9\}\)/\1123456789/'				
To '/^1/….για lines starting with 1				
				

REPLACE NON PRINTABLE CHARACTERS WITH SED (USING :PRINT:)					
sed 's/[^[:print:]\r\t]/ /g' < in > out					
					

REPLACE NON PRINTABLE 0x00 up to 0x1F except 0x09 (TAB) 0x0A(new line) 0x0D(CR)					
					
sed -e 's/[\x00-\x08\x0B\x0C\x0E-\x1F]/ /g' $FILE_IN > $FILE_OUT 					
perl -p -e 's/[\x00-\x08\x0B\x0C\x0E-\x1F]/ /g'					

REPLACE A PATTERN ON LINES ENDING WITH..					
					

SED REPLACE PATTERNS USING COLUMNS / DIGITS					
sed '/^1/s/\(.\{4\}\)\(.\{9\}\)/\1123456789/'					
Change lines that start with 1, capture first 4, replace following 9					

SED REPLACE PATTERNS USING COLUMNS / DIGITS 2					
sed -r  '/^1/s/(.{4})(.{9})/\1123456789/'					
(Not portable)					
				
					

SED REPLACE WHATEVER IS AFTER PATTERN WITH…					
sed -i -e "s/BTCH_DATE_s0=.*/BTCH_DATE_s0='$s'/" /home/tede/.profile					

SED WITH REGEX REPLACE AFTER PATTERN					
sed -i 's/^user=[A-Za-z0-9_]*/user=bob/g' /tmp/myfile					

SED AFTER PATTERN / ANY NUMBER OF CHARACTERS					
sed -r 's/(Unprocessed\\X)[0-9]+/\1'"$a"'/' "sedtest"					
					
					
					

SED WITH TWO PATTERNS AND REPLACING AFTER THEM					
sed -e "s/\([ABDF][ALNDV]\)${datepattern}/\1${b}/"					

SED WITH PATTERN AND REPLACING ONLY AFTER IT					
sed -e "s/\(A[AL]\)${datepattern}/\1${b}/"				
					

REMOVE ALL NON ASCII CHARACTERS FROM A FILE 					
sed -i 's/[\d128-\d255]//g' FILENAME					
					

SED WITH REGULAR EXPRESSIONS (FIRST MATCH)					
s/[0-3][0-9][0-1][0-9][0-3][0-9]/$a/				

SED WITH REGULAR EXPRESSIONS (ALL MATCH)					
s/[0-3][0-9][0-1][0-9][0-3][0-9]/$a/g				
					

SED WITH PATTERN IN A VARIABLE					
$datepattern = [0-3][0-9][0-1][0-9][0-3][0-9]					
sed -e "s/D${datepattern}$/D${a}/					
					

sed -e 's/'$(echo "octal-value")'/replace-word/g'					
sed 's/'`echo "octal-value"`'/replace-word/g'					
sed 's/'`echo "\033"`'/foo/g'					
sed -i “s/\oXX/,/g” file 					

sed -i 's/[^a-zA-Z 0-9`~!@#$%^&*()_+\[\]\\{}|;'\'':",.\/<>?]//g' FILE					
awk '{ sub("[^a-zA-Z0-9\"!@#$%^&*|_\[](){}", ""); print }' MYinputfile.txt > pipe_out_to_CONVERTED_FILE.txt					

# Remove empty lines
sed -e '/^[[:space:]]*$/ d' \				

# 2 lines
sed 'p' BSD

# 3 lines
sed 'p;p' BSD	

# Search for pattern and print line numbers
sed -n /PATTERN/=			sed -n '/pattern/{=;p}' file | sed '{N;s/\n/ /}'		
perl -ne 'print "$.: $_" if /regex/' input.file					

sed -e 's/[[:space:]][[:space:]]*/\n/g'					


# Convert file into oen word per line
sed -e 's/[[:space:]]/\n/g' | grep -v '^$'					

1. sed_reg_firstmatch.sed          :  Substitute first match found
2. sed_reg_allmatch.sed            :  Substitute all matches found
3. sed_pattern_var                 :  Sed with variable in pattern
4. sed_replace_after               :  Sed replace after pattern
5. sed_replace_after_2             :  Sed replace after 2 patterns
6. sed_replace_after               :  Sed replace after 1 pattern
7. sed_replace_line_start          :  Sed replace on lines starting with
8. sed_replace_digits              :  Sed replace with specific columns, digits
9. sed_replacehex                  :  Sed replace hex and range of hexes
10. sed_replacenonprint            :  Sed replace non printable characters
11. remove_non_ascii               :  Sed to remove all non ascii from file
12. remove_non_ascii_non_print     :  Sed to remoev all non ascii, non printable characters
13. print_2_times                  : Print lines two times each / three times each
14. remove_empty_lines             : Remove all empty lines
15. convert_nl.sed                 : Convert blanks to new lines
16. replace_octal.sed              : Replace octal values with words
17. see_np.sed                     : See all non printable values
18. pattern_line.sed               : Search for pattern and print line numbers
19. two_patterns.sed               : Search for two patterns plus one