fix handling of negative / positive

Author: omniomi

PowerShellSyntax.tmLanguage

@@ -656,7 +656,7 @@
 						</dict>
 					</dict>
 					<key>match</key>
-					<string>\b(0(?:x|X)[0-9a-fA-F_]+(?:U|u|L|l|UL|Ul|uL|ul|LU|Lu|lU|lu)?)((?i:[kmgtp]b)?)\b</string>
+					<string>(?<!\w)([-+]?0(?:x|X)[0-9a-fA-F_]+(?:U|u|L|l|UL|Ul|uL|ul|LU|Lu|lU|lu)?)((?i:[kmgtp]b)?)\b</string>
 					<key>name</key>
 					<string>constant.numeric.hexadecimal.powershell</string>
 				</dict>
@@ -675,7 +675,7 @@
 						</dict>
 					</dict>
 					<key>match</key>
-					<string>\b((?:[0-9_]+)?\.[0-9_]+(?:(?:e|E)[0-9]+)?(?:F|f|D|d|M|m)?)((?i:[kmgtp]b)?)\b</string>
+					<string>(?<!\w)([-+]?(?:[0-9_]+)?\.[0-9_]+(?:(?:e|E)[0-9]+)?(?:F|f|D|d|M|m)?)((?i:[kmgtp]b)?)\b</string>
 					<key>name</key>
 					<string>constant.numeric.scientific.powershell</string>
 				</dict>
@@ -694,7 +694,7 @@
 						</dict>
 					</dict>
 					<key>match</key>
-					<string>\b(0(?:b|B)[01_]+(?:U|u|L|l|UL|Ul|uL|ul|LU|Lu|lU|lu)?)((?i:[kmgtp]b)?)\b</string>
+					<string>(?<!\w)([-+]?0(?:b|B)[01_]+(?:U|u|L|l|UL|Ul|uL|ul|LU|Lu|lU|lu)?)((?i:[kmgtp]b)?)\b</string>
 					<key>name</key>
 					<string>constant.numeric.binary.powershell</string>
 				</dict>
@@ -713,7 +713,7 @@
 						</dict>
 					</dict>
 					<key>match</key>
-					<string>\b([0-9_]+(?:e|E)(?:[0-9_])?+(?:F|f|D|d|M|m)?)((?i:[kmgtp]b)?)\b</string>
+					<string>(?<!\w)([-+]?[0-9_]+(?:e|E)(?:[0-9_])?+(?:F|f|D|d|M|m)?)((?i:[kmgtp]b)?)\b</string>
 					<key>name</key>
 					<string>constant.numeric.decimal.powershell</string>
 				</dict>
@@ -732,7 +732,7 @@
 						</dict>
 					</dict>
 					<key>match</key>
-					<string>\b([0-9_]+\.(?:e|E)(?:[0-9_])?+(?:F|f|D|d|M|m)?)((?i:[kmgtp]b)?)\b</string>
+					<string>(?<!\w)([-+]?[0-9_]+\.(?:e|E)(?:[0-9_])?+(?:F|f|D|d|M|m)?)((?i:[kmgtp]b)?)\b</string>
 					<key>name</key>
 					<string>constant.numeric.decimal.powershell</string>
 				</dict>
@@ -751,7 +751,7 @@
 						</dict>
 					</dict>
 					<key>match</key>
-					<string>\b([0-9_]+[\.]?(?:F|f|D|d|M|m))((?i:[kmgtp]b)?)\b</string>
+					<string>(?<!\w)([-+]?[0-9_]+[\.]?(?:F|f|D|d|M|m))((?i:[kmgtp]b)?)\b</string>
 					<key>name</key>
 					<string>constant.numeric.decimal.powershell</string>
 				</dict>
@@ -770,7 +770,7 @@
 						</dict>
 					</dict>
 					<key>match</key>
-					<string>\b([0-9_]+[\.]?(?:U|u|L|l|UL|Ul|uL|ul|LU|Lu|lU|lu)?)((?i:[kmgtp]b)?)\b</string>
+					<string>(?<!\w)([-+]?[0-9_]+[\.]?(?:U|u|L|l|UL|Ul|uL|ul|LU|Lu|lU|lu)?)((?i:[kmgtp]b)?)\b</string>
 					<key>name</key>
 					<string>constant.numeric.decimal.powershell</string>
 				</dict>