kopia lustrzana https://github.com/miklobit/TiddlyWiki5
22 wiersze
1.2 KiB
Plaintext
22 wiersze
1.2 KiB
Plaintext
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created: 20140909134102102
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modified: 20140909134102102
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tags: filters
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title: FilterOperator: regexp
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type: text/vnd.tiddlywiki
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The ''regexp'' filter operator filters tiddlers that match a regular expression.
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Regular expressions are a way of encoding complex string matching criteria. The format is defined fully in [[this Mozilla reference|https://developer.mozilla.org/en-US/docs/Web/JavaScript/Guide/Regular_Expressions]].
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The regexp filter operator takes a fieldname as the optional suffix (defaulting to `title`).
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The regular expression itself can start or end with an optional string to specify flags in the format `(?flags)` where flags can be "g", "m" or "i". Only the "i" flag is generally useful: it forces the match to be case-insensitive (ie upper and lower case letters are considered the same).
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For example:
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|!Filter String |!Description |
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|`[all[tiddlers]regexp[EggCup]]` |Selects all tiddlers that have the CamelCase string "EggCup" in their title |
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|`[all[tiddlers]regexp[eggcup(?i)]]` |Selects all tiddlers that have the string "eggcup" in their title (ignoring case) |
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|`[all[tiddlers]regexp:modified[eggcup(^2014)]]` |Selects all tiddlers that have the string "eggcup" in their title (ignoring case) |
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