101 lines
2.8 KiB
Markdown
101 lines
2.8 KiB
Markdown
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@license Apache-2.0
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Copyright (c) 2022 The Stdlib Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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-->
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# formatTokenize
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> Tokenize a string into an array of string parts and format identifier objects.
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<section class="intro">
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</section>
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<!-- /.intro -->
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<section class="usage">
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## Usage
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```javascript
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var formatTokenize = require( '@stdlib/string/base/format-tokenize' );
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```
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#### formatTokenize( str )
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Tokenizes a string into an array of string parts and format identifier objects.
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```javascript
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var str = 'Hello, %s! My name is %s.';
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var out = formatTokenize( str );
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// returns [ 'Hello, ', {...}, '! My name is ', {...}, '.' ]
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```
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The format identifier objects have the following properties:
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| property | description |
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| --------- | --------------------------------------------------------------------------------------------------- |
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| specifier | format specifier (one of 's', 'c', 'd', 'i', 'u', 'b', 'o', 'x', 'X', 'e', 'E', 'f', 'F', 'g', 'G') |
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| flags | format flags (string with any of '0', ' ', '+', '-', '#') |
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| width | minimum field width (integer or `'*'`) |
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| precision | precision (integer or `'*'`) |
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| mapping | positional mapping from format specifier to argument index |
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</section>
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<!-- /.usage -->
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<section class="examples">
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## Examples
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<!-- eslint no-undef: "error" -->
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```javascript
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var formatTokenize = require( '@stdlib/string/base/format-tokenize' );
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var out = formatTokenize( 'Hello %s!' );
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// returns [ 'Hello ', {...}, '!' ]
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out = formatTokenize( 'Pi: ~%.2f' );
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// returns [ 'Pi: ~', {...} ]
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out = formatTokenize( 'Multiple flags: %#+s' );
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// returns [ 'Foo ', {...} ]
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```
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</section>
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<!-- /.examples -->
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<!-- Section for related `stdlib` packages. Do not manually edit this section, as it is automatically populated. -->
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<section class="related">
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</section>
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<!-- /.related -->
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<!-- Section for all links. Make sure to keep an empty line after the `section` element and another before the `/section` close. -->
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<section class="links">
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</section>
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<!-- /.links -->
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