2020-02-06 11:49:21 +01:00
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---
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2020-03-18 18:46:47 -04:00
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layout: docs
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page_title: lower - Functions - Configuration Language
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2020-04-02 19:39:47 -04:00
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sidebar_title: lower
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2020-03-18 18:46:47 -04:00
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description: >-
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The lower function converts all cased letters in the given string to
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lowercase.
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2020-02-06 11:49:21 +01:00
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---
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# `lower` Function
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`lower` converts all cased letters in the given string to lowercase.
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## Examples
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2020-05-29 17:12:05 -04:00
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```shell-session
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2020-02-06 11:49:21 +01:00
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> lower("HELLO")
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hello
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> lower("АЛЛО!")
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алло!
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```
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This function uses Unicode's definition of letters and of upper- and lowercase.
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## Related Functions
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2020-04-01 15:15:54 -04:00
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- [`upper`](/docs/from-1.5/functions/string/upper) converts letters in a string to _uppercase_.
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- [`title`](/docs/from-1.5/functions/string/title) converts the first letter of each word in a string to uppercase.
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