1 files changed, 106 insertions, 0 deletions
diff --git a/src/is_valid_character.rs b/src/is_valid_character.rs
new file mode 100644
index 0000000..acec7fb
--- /dev/null
+++ b/src/is_valid_character.rs
@@ -0,0 +1,106 @@
+/*
+	Copyright 2023 Gabriel Jensen.
+
+	This file is part of aas.
+
+	aas is free software: you can redistribute it
+	and/or modify it under the terms of the GNU
+	General Public License as published by the Free
+	Software Foundation, either version 3 of the
+	License, or (at your option) any later version.
+
+	aas is distributed in the hope that it will
+	be useful, but WITHOUT ANY WARRANTY; without
+	even the implied warranty of MERCHANTABILITY or
+	FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+	General Public License for more details.
+
+	You should have received a copy of the GNU
+	General Public License along with aas. If not,
+	see <https://www.gnu.org/licenses/>.
+*/
+
+pub fn is_valid_character(c: char) -> bool {
+	return match c {
+		| '\t'
+		| '\n'
+		| ' '
+		| '!'
+		| '"'
+		| '#'
+		| '*'
+		| ','
+		| '.'
+		| '0'
+		| '1'
+		| '2'
+		| '3'
+		| '4'
+		| '5'
+		| '6'
+		| '7'
+		| '8'
+		| '9'
+		| ':'
+		| ';'
+		| '@'
+		| 'A'
+		| 'B'
+		| 'C'
+		| 'D'
+		| 'E'
+		| 'F'
+		| 'G'
+		| 'H'
+		| 'I'
+		| 'J'
+		| 'K'
+		| 'L'
+		| 'M'
+		| 'N'
+		| 'O'
+		| 'P'
+		| 'Q'
+		| 'R'
+		| 'S'
+		| 'T'
+		| 'U'
+		| 'V'
+		| 'W'
+		| 'X'
+		| 'Y'
+		| 'Z'
+		| '['
+		| ']'
+		| '_'
+		| 'a'
+		| 'b'
+		| 'c'
+		| 'd'
+		| 'e'
+		| 'f'
+		| 'g'
+		| 'h'
+		| 'i'
+		| 'j'
+		| 'k'
+		| 'l'
+		| 'm'
+		| 'n'
+		| 'o'
+		| 'p'
+		| 'q'
+		| 'r'
+		| 's'
+		| 't'
+		| 'u'
+		| 'v'
+		| 'w'
+		| 'x'
+		| 'y'
+		| 'z'
+		=> true,
+
+		_ => false,
+	};
+}