ucoreString

Text manipulation and regular expression support.

Functions

Function	Returns	Description
`split(str, delimiter)`	Array	Split string into array
`join(array, delimiter)`	string	Join array into string
`replace(str, search, replace)`	string	Replace all occurrences
`trim(str)`	string	Remove whitespace
`toLower(str)`	string	Convert to lowercase
`toUpper(str)`	string	Convert to uppercase
`contains(str, substr)`	bool	Check if contains substring
`match(str, pattern)`	bool	Regex pattern match
`extract(str, pattern)`	Array	Extract all regex matches

Basic Usage

split / join

var text = "apple,banana,cherry";
var parts = ucoreString.split(text, ",");
print(parts[0]); // "apple"

var joined = ucoreString.join(parts, " | ");
print(joined); // "apple | banana | cherry"

replace / trim

var dirty = "  Hello World World  ";
var trimmed = ucoreString.trim(dirty);
var clean = ucoreString.replace(trimmed, "World", "Unnarize");
print(clean); // "Hello Unnarize Unnarize"

Regular Expressions

Uses POSIX Extended Regular Expressions (ERE).

match(str, pattern)

Returns true if pattern matches anywhere in string.

if (ucoreString.match(text, "^Hello")) {
    print("Starts with Hello");
}

extract(str, pattern)

Returns array of all non-overlapping matches.

var log = "Contact support@example.com or admin@site.org";
var emails = ucoreString.extract(log, "[a-zA-Z0-9._%+-]+@[a-zA-Z0-9.-]+\.[a-zA-Z]{2,}");

print(emails[0]); // "support@example.com"
print(emails[1]); // "admin@site.org"

Performance

Benchmarked on 14KB text (100 iterations):

Operation	Ops/sec
contains	24.5 Million
toLower	42,500
replace	38,800
split	12,300
regex extract	2,600