diff --git a/comicfn2dict/regex.py b/comicfn2dict/regex.py
index 5a61484..c7272c7 100644
--- a/comicfn2dict/regex.py
+++ b/comicfn2dict/regex.py
@@ -112,12 +112,12 @@ ORIGINAL_FORMAT_SCAN_INFO_SEPARATE_RE = re_compile(
 # REGULAR TOKENS
 VOLUME_RE = re_compile(r"((?:v(?:ol(?:ume)?)?\.?)\s*(?P<volume>\d+))")
 _ISSUE_NUMBER_RE_EXP = r"(?P<issue>[\w½]+\.?\d*\w*)"
-ISSUE_NUMBER_RE = re_compile(r"(#" + _ISSUE_NUMBER_RE_EXP + r")")
+ISSUE_NUMBER_RE = re_compile(r"(\(?#" + _ISSUE_NUMBER_RE_EXP + r"\)?)")
 _ISSUE_RE_EXP = r"(?P<issue>[\d½]+\.?\d*\w*)"
 
-ISSUE_END_RE = re_compile(r"([\/\s]" + _ISSUE_RE_EXP + r"(\/|$))")
-ISSUE_BEGIN_RE = re_compile(r"((^|\/)" + _ISSUE_RE_EXP + r"[\/|\s])")
-ISSUE_ANYWHERE_RE = re_compile(r"\b(" + _ISSUE_RE_EXP + r")\b")
+ISSUE_END_RE = re_compile(r"([\/\s]\(?" + _ISSUE_RE_EXP + r"\)?(\/|$))")
+ISSUE_BEGIN_RE = re_compile(r"((^|\/)\(?" + _ISSUE_RE_EXP + r"\)?[\/|\s])")
+ISSUE_ANYWHERE_RE = re_compile(r"\b(\(?" + _ISSUE_RE_EXP + r"\)?)\b")
 
 # LONG STRINGS
 REMAINING_GROUP_RE = re_compile(r"^[^\()].*[^\)]")