is_isin: Check if an argument is a valid ISIN string
In checkstring: Common String Format Validation
is_isin R Documentation
Check if an argument is a valid ISIN string
Description
Validates ISIN (International Securities Identification Number) format including Luhn check
digit verification.
Usage
is_isin(x)
Arguments
x
(any)
Object to check.
Value
TRUE if x is a valid ISIN string, FALSE otherwise.
References
https://en.wikipedia.org/wiki/International_Securities_Identification_Number
Examples
is_isin("US0378331005")
checkstring documentation built on Sept. 28, 2026, 5:07 p.m.
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| is_isin | R Documentation |
Check if an argument is a valid ISIN string
Description
Validates ISIN (International Securities Identification Number) format including Luhn check digit verification.
Usage
is_isin(x)
Arguments
x |
( |
Value
TRUE if x is a valid ISIN string, FALSE otherwise.
References
https://en.wikipedia.org/wiki/International_Securities_Identification_Number
Examples
is_isin("US0378331005")
R Package Documentation
Browse R Packages
We want your feedback!
Note that we can't provide technical support on individual packages. You should contact the package authors for that.
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