Class StringCore

Returns asserts value is string

Returns asserts value is Exclude<T, string>

Returns TypeError

The created error.

Returns value is `${string}${S}`

true if the value ends with the suffix; otherwise, false.

StringCore.endsWith('hello', 'lo'); // true
StringCore.endsWith('hello', 'he'); // false
StringCore.endsWith(123, 'lo'); // false (not a string)
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Returns value is string

true if the value is a string; otherwise, false.

Returns value is ""

true if the value is an empty string; otherwise, false.

StringCore.isEmpty(''); // true
StringCore.isEmpty('hello'); // false
StringCore.isEmpty(123); // false (not a string)
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Returns value is Lowercase<string>

true if the value is a lowercase string; otherwise, false.

StringCore.isLowerCase('hello'); // true
StringCore.isLowerCase('HELLO'); // false
StringCore.isLowerCase(123); // false (not a string)
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Returns value is Exclude<T, string>

true if the value is not a string; otherwise, false.

Returns value is NonEmptyString<T>

true if the value is a not empty string; otherwise, false.

StringCore.isNotEmpty('hello'); // true
StringCore.isNotEmpty(''); // false
StringCore.isNotEmpty(123); // false (not a string)
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Returns value is Exclude<T, `${number}`>

true if the value is not a numeric string; otherwise, false.

StringCore.isNotNumeric('abc'); // true
StringCore.isNotNumeric('123'); // false
StringCore.isNotNumeric(123); // true (not a string)
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Returns value is `${number}`

true if the value is a numeric string; otherwise, false.

StringCore.isNumeric('123'); // true
StringCore.isNumeric('12.3'); // true
StringCore.isNumeric('abc'); // false
StringCore.isNumeric(123); // false (not a string)
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Returns value is Uppercase<string>

true if the value is an uppercase string; otherwise, false.

StringCore.isUpperCase('HELLO'); // true
StringCore.isUpperCase('hello'); // false
StringCore.isUpperCase(123); // false (not a string)
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Returns value is `${P}${string}`

true if the value starts with the prefix; otherwise, false.

StringCore.startsWith('hello', 'he'); // true
StringCore.startsWith('hello', 'el'); // false
StringCore.startsWith(123, 'he'); // false (not a string)
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