diff --git a/src/basic-languages/css/css.ts b/src/basic-languages/css/css.ts
index 5afc7af5..2ddc06a0 100644
--- a/src/basic-languages/css/css.ts
+++ b/src/basic-languages/css/css.ts
@@ -6,7 +6,7 @@
 import type { languages } from '../../fillers/monaco-editor-core';
 
 export const conf: languages.LanguageConfiguration = {
-	wordPattern: /(#?-?\d*\.\d\w*%?)|((::|[@#.!:])?[\w-?]+%?)|::|[@#.!:]/g,
+	wordPattern: /(#?-?\d*\.\d\w*%?)|((::|[@#.!:])?[\w-]+%?)|::|[@#.!:]/g,
 
 	comments: {
 		blockComment: ['/*', '*/']
diff --git a/src/basic-languages/ecl/ecl.ts b/src/basic-languages/ecl/ecl.ts
index ab12908e..8d1f168e 100644
--- a/src/basic-languages/ecl/ecl.ts
+++ b/src/basic-languages/ecl/ecl.ts
@@ -415,7 +415,7 @@ export const language = <languages.IMonarchLanguage>{
 			[/@typesone/, 'type'],
 
 			[
-				/[a-zA-Z_$][\w-$]*/,
+				/[a-zA-Z_$][\w$-]*/,
 				{
 					cases: {
 						'@functions': 'keyword.function',
diff --git a/src/basic-languages/html/html.ts b/src/basic-languages/html/html.ts
index f9ffed20..c33105f7 100644
--- a/src/basic-languages/html/html.ts
+++ b/src/basic-languages/html/html.ts
@@ -61,7 +61,7 @@ export const conf: languages.LanguageConfiguration = {
 				`<(?!(?:${EMPTY_ELEMENTS.join('|')}))([_:\\w][_:\\w-.\\d]*)([^/>]*(?!/)>)[^<]*$`,
 				'i'
 			),
-			afterText: /^<\/([_:\w][_:\w-.\d]*)\s*>$/i,
+			afterText: /^<\/([_:\w][_:\w.\d-]*)\s*>$/i,
 			action: {
 				indentAction: languages.IndentAction.IndentOutdent
 			}
diff --git a/src/basic-languages/less/less.ts b/src/basic-languages/less/less.ts
index 4722c0e0..80563799 100644
--- a/src/basic-languages/less/less.ts
+++ b/src/basic-languages/less/less.ts
@@ -6,7 +6,7 @@
 import type { languages } from '../../fillers/monaco-editor-core';
 
 export const conf: languages.LanguageConfiguration = {
-	wordPattern: /(#?-?\d*\.\d\w*%?)|([@#!.:]?[\w-?]+%?)|[@#!.]/g,
+	wordPattern: /(#?-?\d*\.\d\w*%?)|([@#!.:]?[\w-]+%?)|[@#!.]/g,
 	comments: {
 		blockComment: ['/*', '*/'],
 		lineComment: '//'
diff --git a/src/basic-languages/m3/m3.ts b/src/basic-languages/m3/m3.ts
index 300c7a6d..e4b05486 100644
--- a/src/basic-languages/m3/m3.ts
+++ b/src/basic-languages/m3/m3.ts
@@ -173,7 +173,7 @@ export const language = <languages.IMonarchLanguage>{
 
 			// Integer- and real literals
 			[/[0-9]+\.[0-9]+(?:[DdEeXx][\+\-]?[0-9]+)?/, 'number.float'],
-			[/[0-9]+(?:\_[0-9a-fA-F]+)?L?/, 'number'],
+			[/[0-9]+(?:_[0-9a-fA-F]+)?L?/, 'number'],
 
 			// Operators, relations, and delimiters
 			[
diff --git a/src/basic-languages/rust/rust.ts b/src/basic-languages/rust/rust.ts
index a3938476..73396176 100644
--- a/src/basic-languages/rust/rust.ts
+++ b/src/basic-languages/rust/rust.ts
@@ -261,7 +261,7 @@ export const language = <languages.IMonarchLanguage>{
 		'#'
 	],
 
-	escapes: /\\([nrt0\"''\\]|x\h{2}|u\{\h{1,6}\})/,
+	escapes: /\\([nrt0\"''\\]|x[0-9a-fA-F]{2}|u\{[0-9a-fA-F]{1,6}\})/,
 	delimiters: /[,]/,
 	symbols: /[\#\!\%\&\*\+\-\.\/\:\;\<\=\>\@\^\|_\?]+/,
 	intSuffixes: /[iu](8|16|32|64|128|size)/,
diff --git a/src/basic-languages/scss/scss.ts b/src/basic-languages/scss/scss.ts
index f7af50ee..5e631a2e 100644
--- a/src/basic-languages/scss/scss.ts
+++ b/src/basic-languages/scss/scss.ts
@@ -6,7 +6,7 @@
 import type { languages } from '../../fillers/monaco-editor-core';
 
 export const conf: languages.LanguageConfiguration = {
-	wordPattern: /(#?-?\d*\.\d\w*%?)|([@$#!.:]?[\w-?]+%?)|[@#!.]/g,
+	wordPattern: /(#?-?\d*\.\d\w*%?)|([@$#!.:]?[\w?-]+%?)|[@#!.]/g,
 	comments: {
 		blockComment: ['/*', '*/'],
 		lineComment: '//'
diff --git a/src/basic-languages/st/st.ts b/src/basic-languages/st/st.ts
index 4ddfdfb7..7b987bfb 100644
--- a/src/basic-languages/st/st.ts
+++ b/src/basic-languages/st/st.ts
@@ -355,12 +355,12 @@ export const language = <languages.IMonarchLanguage>{
 		root: [
 			[/(\.\.)/, 'delimiter'],
 
-			[/\b(16#[0-9A-Fa-f\_]*)+\b/, 'number.hex'],
-			[/\b(2#[01\_]+)+\b/, 'number.binary'],
-			[/\b(8#[0-9\_]*)+\b/, 'number.octal'],
+			[/\b(16#[0-9A-Fa-f_]*)+\b/, 'number.hex'],
+			[/\b(2#[01_]+)+\b/, 'number.binary'],
+			[/\b(8#[0-9_]*)+\b/, 'number.octal'],
 			[/\b\d*\.\d+([eE][\-+]?\d+)?\b/, 'number.float'],
-			[/\b(L?REAL)#[0-9\_\.e]+\b/, 'number.float'],
-			[/\b(BYTE|(?:D|L)?WORD|U?(?:S|D|L)?INT)#[0-9\_]+\b/, 'number'],
+			[/\b(L?REAL)#[0-9_\.e]+\b/, 'number.float'],
+			[/\b(BYTE|(?:D|L)?WORD|U?(?:S|D|L)?INT)#[0-9_]+\b/, 'number'],
 			[/\d+/, 'number'],
 
 			[/\b(T|DT|TOD)#[0-9:-_shmyd]+\b/, 'tag'],
diff --git a/src/basic-languages/swift/swift.ts b/src/basic-languages/swift/swift.ts
index 41512ab1..1880841b 100644
--- a/src/basic-languages/swift/swift.ts
+++ b/src/basic-languages/swift/swift.ts
@@ -204,7 +204,7 @@ export const language = <languages.IMonarchLanguage>{
 		'__owned'
 	],
 
-	symbols: /[=(){}\[\].,:;@#\_&\-<>`?!+*\\\/]/,
+	symbols: /[=(){}\[\].,:;@#_&\-<>`?!+*\\\/]/,
 
 	// Moved . to operatorstart so it can be a delimiter
 	operatorstart:
diff --git a/src/basic-languages/wgsl/wgsl.ts b/src/basic-languages/wgsl/wgsl.ts
index ab3a4822..694a8c98 100644
--- a/src/basic-languages/wgsl/wgsl.ts
+++ b/src/basic-languages/wgsl/wgsl.ts
@@ -358,7 +358,7 @@ const operators = qw(`
 
 const directive_re = /enable|requires|diagnostic/;
 
-const ident_re = /[_\p{XID_Start}]\p{XID_Continue}*/u;
+const ident_re = new RegExp(`[_\\p{XID_Start}]\\p{XID_Continue}*`, 'u');
 
 const predefined_token = 'variable.predefined';
 
diff --git a/src/basic-languages/xml/xml.ts b/src/basic-languages/xml/xml.ts
index 016fc57c..4f61721b 100644
--- a/src/basic-languages/xml/xml.ts
+++ b/src/basic-languages/xml/xml.ts
@@ -23,7 +23,7 @@ export const conf: languages.LanguageConfiguration = {
 	onEnterRules: [
 		{
 			beforeText: new RegExp(`<([_:\\w][_:\\w-.\\d]*)([^/>]*(?!/)>)[^<]*$`, 'i'),
-			afterText: /^<\/([_:\w][_:\w-.\d]*)\s*>$/i,
+			afterText: /^<\/([_:\w][_:\w.\d-]*)\s*>$/i,
 			action: {
 				indentAction: languages.IndentAction.IndentOutdent
 			}
diff --git a/src/tsconfig.json b/src/tsconfig.json
index ec06f5f3..f55524d4 100644
--- a/src/tsconfig.json
+++ b/src/tsconfig.json
@@ -10,5 +10,6 @@
 		"sourceMap": true,
 		"allowJs": true,
 		"checkJs": false
-	}
+	},
+	"exclude": ["language/typescript/lib/typescriptServices.js"]
 }