7063 packages found
Test if a value is a regular expression string.
- stdlib
- stdassert
- assertion
- assert
- utils
- util
- utilities
- utility
- isregexp
- regular expression
- regexp
- regex
- regular
- expression
- View more
Test if a value is a Uint8Array.
- stdlib
- stdassert
- assertion
- assert
- utilities
- utility
- utils
- util
- uint8array
- uint8
- unsigned
- integer
- int
- uint
- View more
Replace search occurrences with a replacement string.
Test if a double-precision floating-point numeric value is infinite.
- stdlib
- stdmath
- assertion
- assert
- utilities
- utility
- utils
- util
- math
- mathematics
- ieee754
- floating-point
- float
- double
- View more
Constant function.
Test if a value is a Buffer object.
Convert a string to lowercase.
Test if a value is an object.
Determine the name of a value's constructor.
Test if a value is object-like.
Determine a value's type.
Wrap `require` in a try/catch block.
Test if a value is a number having a nonnegative integer value.
- stdlib
- stdassert
- assertion
- assert
- utilities
- utility
- utils
- util
- number
- numeric
- integer
- int
- nonnegative
- is
- View more
Library for validating, parsing, and formatting data against open api schemas.
- openapi
- swagger
- validate
- response
- build
- compose
- parse
- format
- deserialize
- serialize
- request validation
- request parsing
- response validation
- response serializing
- View more
Detect native Symbol.toStringTag support.
- stdlib
- stdutils
- stdutil
- utilities
- utility
- utils
- util
- detect
- feature
- symbol
- tostringtag
- class
- type
- typeof
- View more
Return an unsigned 32-bit integer corresponding to the more significant 32 bits of a double-precision floating-point number.
Split a double-precision floating-point number into a higher order word and a lower order word.
A utility library for JavaScript and Typescript.
Test if a value is a number having a positive integer value.