TiddlyWiki5/editions/tw5.com/tiddlers/filters/removeprefix.tid

created: 20140410103123179
modified: 20220218023400000
tags: [[Filter Operators]] [[String Operators]]
title: removeprefix Operator
type: text/vnd.tiddlywiki
caption: removeprefix
op-purpose: filter the input titles by how they start, deleting that prefix
op-input: a [[selection of titles|Title Selection]]
op-parameter: a string of characters
op-parameter-name: S
op-output: those input titles that start with <<.place S>>, but with those characters discarded
op-suffix: the <<.op removeprefix>> operator uses a rich suffix, see below for details

<<.tip " This filters out input titles that do not start with S. For removing S without filtering out input titles that don't start with S, see [[trim|trim Operator]].">>

<<.from-version "5.2.2">>

The <<.op removeprefix>> operator uses an extended syntax that permits multiple flags to be passed:

```
[removeprefix:<flag list>[<operand>]]
```

* ''flag list'': a comma delimited list of flags
* ''operand'': filter operand

The available flags are:

* ''casesensitive'': (default), this flag forces a case-sensitive match, where upper and lower case letters are considered different
* ''caseinsensitive'': overrides the default so that upper and lower case letters are considered identical for matching purposes

<<.operator-examples "removeprefix">>
Update tiddler filter docs 2014-04-10 18:56:51 +00:00			`created: 20140410103123179`
Support case insensitive matching in prefix/suffix operators (#6468) * Support case insensitive matching in prefix/suffix operators Support `caseinsensitive`/`caseinsensitive` suffixes in the following filter operators: * prefix * suffix * removeprefix * removesuffix The suffixes have the same behaviour as in the match operator. Closes: #6407 * Do not filter titles if suffix/removesuffix operand is empty Issue: #6407 2022-02-22 16:38:40 +00:00			`modified: 20220218023400000`
Overhaul the filter operator documentation: part 2 2015-01-24 21:18:44 +00:00			`tags: [[Filter Operators]] [[String Operators]]`
			`title: removeprefix Operator`
Update tiddler filter docs 2014-04-10 18:56:51 +00:00			`type: text/vnd.tiddlywiki`
Overhaul the filter operator documentation: part 2 2015-01-24 21:18:44 +00:00			`caption: removeprefix`
Define operators via fields and a view template 2015-02-03 19:29:25 +00:00			`op-purpose: filter the input titles by how they start, deleting that prefix`
			`op-input: a [[selection of titles\|Title Selection]]`
			`op-parameter: a string of characters`
			`op-parameter-name: S`
			`op-output: those input titles that start with <<.place S>>, but with those characters discarded`
Support case insensitive matching in prefix/suffix operators (#6468) * Support case insensitive matching in prefix/suffix operators Support `caseinsensitive`/`caseinsensitive` suffixes in the following filter operators: * prefix * suffix * removeprefix * removesuffix The suffixes have the same behaviour as in the match operator. Closes: #6407 * Do not filter titles if suffix/removesuffix operand is empty Issue: #6407 2022-02-22 16:38:40 +00:00			`op-suffix: the <<.op removeprefix>> operator uses a rich suffix, see below for details`
Update tiddler filter docs 2014-04-10 18:56:51 +00:00
Add suffix and parameter to trim operator (#4811) * Add suffix and parameter to trim operator Fixes #4809 * Unit tests for new trim operator parameters * Mention trim operator in 5.1.23 release notes * Address review comments * Move regex escaping into utils.js trim functions This way the trimPrefix and trimSuffix functions from utils.js are safe to call without regex-escaping their parameters, which should make them easier to use from other parts of the Javascript code. 2020-08-29 11:27:58 +00:00			`<<.tip " This filters out input titles that do not start with S. For removing S without filtering out input titles that don't start with S, see [[trim\|trim Operator]].">>`

Support case insensitive matching in prefix/suffix operators (#6468) * Support case insensitive matching in prefix/suffix operators Support `caseinsensitive`/`caseinsensitive` suffixes in the following filter operators: * prefix * suffix * removeprefix * removesuffix The suffixes have the same behaviour as in the match operator. Closes: #6407 * Do not filter titles if suffix/removesuffix operand is empty Issue: #6407 2022-02-22 16:38:40 +00:00			`<<.from-version "5.2.2">>`

			`The <<.op removeprefix>> operator uses an extended syntax that permits multiple flags to be passed:`

			```
			`[removeprefix:<flag list>[<operand>]]`
			```

			`* ''flag list'': a comma delimited list of flags`
			`* ''operand'': filter operand`

			`The available flags are:`

			`* ''casesensitive'': (default), this flag forces a case-sensitive match, where upper and lower case letters are considered different`
			`* ''caseinsensitive'': overrides the default so that upper and lower case letters are considered identical for matching purposes`

Overhaul the filter operator documentation: part 2 2015-01-24 21:18:44 +00:00			`<<.operator-examples "removeprefix">>`