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34 lines
1.4 KiB
Markdown
34 lines
1.4 KiB
Markdown
---
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title: lang.FormatNumberCustom
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description: Returns a numeric representation of a number with the given precision using negative, decimal, and grouping options.
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categories: []
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keywords: []
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action:
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aliases: []
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related:
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- functions/lang/FormatAccounting
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- functions/lang/FormatCurrency
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- functions/lang/FormatNumber
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- functions/lang/FormatPercent
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returnType: string
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signatures: ['lang.FormatNumberCustom PRECISION NUMBER [OPTIONS...]']
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aliases: ['/functions/numfmt/']
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---
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This function formats a number with the given precision. The first options parameter is a space-delimited string of characters to represent negativity, the decimal point, and grouping. The default value is `- . ,`. The second options parameter defines an alternate delimiting character.
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Note that numbers are rounded up at 5 or greater. So, with precision set to 0, 1.5 becomes 2, and 1.4 becomes 1.
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For a simpler function that adapts to the current language, see [`lang.FormatNumber`].
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```go-html-template
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{{ lang.FormatNumberCustom 2 12345.6789 }} → 12,345.68
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{{ lang.FormatNumberCustom 2 12345.6789 "- , ." }} → 12.345,68
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{{ lang.FormatNumberCustom 6 -12345.6789 "- ." }} → -12345.678900
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{{ lang.FormatNumberCustom 0 -12345.6789 "- . ," }} → -12,346
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{{ lang.FormatNumberCustom 0 -12345.6789 "-|.| " "|" }} → -12 346
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```
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{{% include "functions/_common/locales.md" %}}
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[`lang.FormatNumber`]: /functions/lang/formatnumber
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