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String Manipulation Multi Column RegEx Variable Exception

Disabled fail upon expression evaluation to check ifall fail. Left only for reproduction if test data gets lost! Icreated TXT File as inserting line breaks isnotoriousely difficult. $ was used as line break.Test data for TXT-FileTestData$0123465789$abcdefghijklmnopqrstuvwxyz$abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz Corresponding Forum Posthttps://forum.knime.com/t/string-manipulation-multi-column-regex-patternsyntaxexception-illegal-repetition/60894 Both work but when RegEx isdetermined via a varialble it breaks.These two examples are used toestablish a mutual understand andverify an approach before addingcomplixity via variables and loops. .*\p{L}.* matches \\p{L} as variable causes exception "\p{L}" doesn't match "\\p{L}" as variable causes exception IMPORTANTFuzzy / lazy match is REQUIRED for any RegExfunction in the string manipulation nodes to work! Create Test DataList ofCharacterClassesEnsure no rogue spaces have crept inConcat intoone value forfilteringEnsure Ascsort order\\\\ with enclosingquotesOnly LettersRegEx\ to \\Singe \with enclosingquotes\ breakssyntaxFuzzy MatchEnclose RegEx in.*CSV Reader Table Writer Table Reader Column Appender Table Creator String Manipulation Column Aggregator Sorter Table Row ToVariable Loop Start String Manipulation(Multi Column) Loop End String Manipulation String Manipulation(Multi Column) String Manipulation Table Rowto Variable String Manipulation(Multi Column) Table Rowto Variable String Manipulation(Multi Column) Row Filter Variable toTable Column String Replacer Table Rowto Variable String Manipulation(Multi Column) Table Rowto Variable String Manipulation(Multi Column) String Replacer String Manipulation String Replacer Disabled fail upon expression evaluation to check ifall fail. Left only for reproduction if test data gets lost! Icreated TXT File as inserting line breaks isnotoriousely difficult. $ was used as line break.Test data for TXT-FileTestData$0123465789$abcdefghijklmnopqrstuvwxyz$abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz Corresponding Forum Posthttps://forum.knime.com/t/string-manipulation-multi-column-regex-patternsyntaxexception-illegal-repetition/60894 Both work but when RegEx isdetermined via a varialble it breaks.These two examples are used toestablish a mutual understand andverify an approach before addingcomplixity via variables and loops. .*\p{L}.* matches \\p{L} as variable causes exception "\p{L}" doesn't match "\\p{L}" as variable causes exception IMPORTANTFuzzy / lazy match is REQUIRED for any RegExfunction in the string manipulation nodes to work! Create Test DataList ofCharacterClassesEnsure no rogue spaces have crept inConcat intoone value forfilteringEnsure Ascsort order\\\\ with enclosingquotesOnly LettersRegEx\ to \\Singe \with enclosingquotes\ breakssyntaxFuzzy MatchEnclose RegEx in.*CSV Reader Table Writer Table Reader Column Appender Table Creator String Manipulation Column Aggregator Sorter Table Row ToVariable Loop Start String Manipulation(Multi Column) Loop End String Manipulation String Manipulation(Multi Column) String Manipulation Table Rowto Variable String Manipulation(Multi Column) Table Rowto Variable String Manipulation(Multi Column) Row Filter Variable toTable Column String Replacer Table Rowto Variable String Manipulation(Multi Column) Table Rowto Variable String Manipulation(Multi Column) String Replacer String Manipulation String Replacer

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Created by: mw
Created at: 2023-02-01
On NodePit since: 2023-02-01
Last update: 2024-05-01
Created with KNIME version: v4.7.0

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