Adds steps logic for the register form.

addons/godot-form-validator/validator_functions.gd

@@ -0,0 +1,66 @@
+extends Object
+class_name ValidatorFunctions
+
+
+static func matches(pattern: String, text: String) -> bool:
+	var regex = RegEx.create_from_string(pattern)
+	if not regex.is_valid():
+		print_debug("WARNING: Invalid RegEx pattern supplied to matches function: ", pattern)
+		return false
+	var result = regex.search(text)
+	return result != null and result.strings.size() > 0
+
+
+static func does_not_match(pattern: String, text: String) -> bool:
+	var regex = RegEx.create_from_string(pattern)
+	if not regex.is_valid():
+		print_debug("WARNING: Invalid RegEx pattern supplied to matches function: ", pattern)
+		return false
+	var result = regex.search(text)
+	return result == null
+
+
+static func not_empty(text: String) -> bool:
+	return text != null and not text.is_empty()
+
+
+static func empty(text: String) -> bool:
+	return not not_empty(text)
+
+
+static func not_blank(text: String) -> bool:
+	if text == null:
+		return false
+	# Remove escape sequences
+	text = text.strip_escapes()
+	# Remove spaces
+	text = text.replace(" ", "")
+	return not text.is_empty()
+
+
+static func alpha(text: String) -> bool:
+	var regex = RegEx.create_from_string("[^a-zA-Z]+")
+	var result = regex.search(text)
+	return result == null
+
+
+static func numeric(text: String) -> bool:
+	var regex = RegEx.create_from_string("[^0-9]+")
+	var result = regex.search(text)
+	return result == null
+
+
+static func alphanumeric(text: String) -> bool:
+	var regex = RegEx.create_from_string("[^a-zA-Z0-9]+")
+	var result = regex.search(text)
+	return result == null
+
+
+static func email(text: String) -> bool:
+	var regex = RegEx.create_from_string("^[A-Za-z0-9._%+-]+@[A-Za-z0-9.-]+\\.[A-Za-z]{2,6}$")
+	var result = regex.search(text)
+	return result != null and result.strings.size() > 0
+
+
+static func length(text: String, min_length: int = 0, max_length: int = 9999) -> bool:
+	return text != null and text.length() >= min_length and text.length() <= max_length