Mercurial > repos > jjohnson > regex_find_replace
diff regex.xml @ 0:9ea374bb0350 draft default tip
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author | jjohnson |
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date | Sat, 29 Mar 2014 13:41:51 -0400 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/regex.xml Sat Mar 29 13:41:51 2014 -0400 @@ -0,0 +1,107 @@ +<tool id="regex1" name="Regex Find And Replace" version="0.1.0"> + <description></description> + <command interpreter="python">regex.py --input $input --output $out_file1 + #for $check in $checks: + --pattern='$check.pattern' --replacement='$check.replacement' + #end for + </command> + <inputs> + <param format="txt" name="input" type="data" label="Select lines from"/> + <repeat name="checks" title="Check"> + <param name="pattern" size="40" type="text" value="chr([0-9A-Za-z])+" label="Find Regex" help="here you can enter text or regular expression (for syntax check lower part of this frame)"> + <sanitizer> + <valid> + <add preset="string.printable"/> + <remove value="\" /> + <remove value="'" /> + </valid> + <mapping initial="none"> + <add source="\" target="__backslash__" /> + <add source="'" target="__sq__"/> + </mapping> + </sanitizer> + </param> + <param name="replacement" size="40" type="text" value="newchr\1" label="Replacement"> + <sanitizer> + <valid> + <add preset="string.printable"/> + <remove value="\" /> + <remove value="'" /> + </valid> + <mapping initial="none"> + <add source="\" target="__backslash__" /> + <add source="'" target="__sq__"/> + </mapping> + </sanitizer> + </param> + </repeat> + </inputs> + <outputs> + <data format="input" name="out_file1" metadata_source="input"/> + </outputs> + <tests> + <test> + <param name="input" value="find1.txt"/> + <param name="pattern" value="(T\w+)"/> + <param name="replacement" value="\1 \1" /> + <output name="out_file1" file="replace1.txt"/> + </test> + <test> + <param name="input" value="find1.txt"/> + <param name="pattern" value="f"/> + <param name="replacement" value="'"" /> + <output name="out_file1" file="replace2.txt"/> + </test> + </tests> + <help> +This tool goes line by line through the specified input file and +replaces text which matches the specified regular expression patterns +with its corresponding specified replacement. + +This tool uses Python regular expressions. More information about +Python regular expressions can be found here: +http://docs.python.org/library/re.html. + +To convert an Ilumina FATSQ sequence id from the CAVASA 8 format:: + + @EAS139:136:FC706VJ:2:2104:15343:197393 1:Y:18:ATCACG + GGGTGATGGCCGCTGCCGATGGCGTCAAATCCCACC + +EAS139:136:FC706VJ:2:2104:15343:197393 1:Y:18:ATCACG + IIIIIIIIIIIIIIIIIIIIIIIIIIIIII9IG9IC + +To the CASAVA 7 format:: + + @EAS139_FC706VJ:2:2104:15343:197393#0/1 + GGGTGATGGCCGCTGCCGATGGCGTCAAATCCCACC + +EAS139_FC706VJ:2:2104:15343:197393#0/1 + IIIIIIIIIIIIIIIIIIIIIIIIIIIIII9IG9IC + +Use Settings:: + + Find Regex: ^([@+][A-Z0-9]+):\d+:(\S+)\s(\d).*$ + Replacement: \1_\2#0/\3 + +Note that the parentheses **()** capture patterns in the text that can be used in the replacement text by using a backslash-number reference: **\\1** + +The regex **^([@+][A-Z0-9]+):\d+:(\S+) (\d).*$** means:: + + ^ - start the match at the beginning of the line of text + ( - start a group (1), that is a string of matched text, that can be back-referenced in the replacement as \1 + [@+] - matches either a @ or + character + [A-Z0-9]+ - matches an uppercase letter or a digit, the plus sign means to match 1 or more such characters + ) - end a group (1), that is a string of matched text, that can be back-referenced in the replacement as \1 + :\d+: - matches a colon followed by one or more digits followed by a colon character + (\S+) - matches one or more non-whitespace charcters, the enclosing parentheses make this a group (2) that can back-referenced in the replacement text as \2 + \s - matches a whitespace character + (\d) - matches a single digit character, the enclosing parentheses make this a group (3) that can back-referenced in the replacement text as \3 + .* - dot means match any character, asterisk means zero more more matches + $ - the regex must match to the end of the line of text + + + +Galaxy aggressively escapes input supplied to tools, so if something +is not working please let us know and we can look into whether this is +the cause. Also if you would like help constructing regular +expressions for your inputs, please let us know at help@msi.umn.edu. +</help> +</tool>