string-util🔗 i

1String Utilities🔗 i

Is the string the empty string?

If given string s is the null-string? return the default String, otherwise the String s.

Does the string start with the char.

Does the string end with the char.

Does the string start with the given prefix.

Returns the index of the first occurrence of the character in the string scanning from left to right. Returns #f if the character is not found in the string.

Given two strings returns the index of their longest common prefix from left to right. In other words, the first index position before the two strings start to diverge.

Returns the common prefix string from left to right between two strings.

Split the string into tokens using the set of char delimiters.

Weave a the separator string between each string in the list and then reduce to a single string value.

For example:

(weave-string-separator ","'("1""2""3"))

"1,2,3"

(weave-string-separator ","'("1"))

"1"

Extracts a substring from the start index inclusive to the end index exclusive. Spaces are trimmed from both ends.