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app/constants/regexes.py

@@ -0,0 +1,23 @@
+from __future__ import annotations
+
+import re
+
+OSU_VERSION = re.compile(
+    r"^b(?P<date>\d{8})(?:\.(?P<revision>\d))?"
+    r"(?P<stream>beta|cuttingedge|dev|tourney)?$",
+)
+
+USERNAME = re.compile(r"^[\w \[\]-]{2,15}$")
+EMAIL = re.compile(r"^[^@\s]{1,200}@[^@\s\.]{1,30}(?:\.[^@\.\s]{2,24})+$")
+
+TOURNEY_MATCHNAME = re.compile(
+    r"^(?P<name>[a-zA-Z0-9_ ]+): "
+    r"\((?P<T1>[a-zA-Z0-9_ ]+)\)"
+    r" vs\.? "
+    r"\((?P<T2>[a-zA-Z0-9_ ]+)\)$",
+    flags=re.IGNORECASE,
+)
+
+MAPPOOL_PICK = re.compile(r"^([a-zA-Z]+)([0-9]+)$")
+
+BEST_OF = re.compile(r"^(?:bo)?(\d{1,2})$")