图片转换base64 Packages

Return the first grapheme cluster (i.e., user-perceived character) of a string.

Replace the substring before the first occurrence of a specified search string.

Replace the substring before the last occurrence of a specified search string.

Reverse the UTF-16 code units of a string.

Reverse the Unicode code points of a string.

Reverse the grapheme clusters (i.e., user-perceived characters) of a string.

Right pad a string.

Convert a string to snake case.

Capitalize the first letter of each word in a string.

Test if a string starts with the characters of another string.

Convert a string to sticky case.

Truncate the middle UTF-16 code units of a string to return a string having a specified length.

Uncapitalize the first character of a string.

Base (i.e., lower-level) string functions.

Convert a string to alternate case.

Apply a unary function to a double-precision complex floating-point strided input array and assign results to a double-precision complex floating-point strided output array.

Convert a string to uppercase.

Test whether two double-precision complex floating-point numbers are the same value.

Test whether two double-precision complex floating-point numbers are the same value.

Base (i.e., lower-level) single-precision complex number functions.