Add helper method to escape special glob characters

Signed-off-by: Kyle Harding <[email protected]>

Author: klutchell

lib/glob.js

@@ -4,13 +4,20 @@ class Glob {
 
     // If not a glob pattern then just match the string.
     if (!this.glob.includes('*')) {
-      this.regexp = new RegExp(`.*${this.glob}.*`, 'u')
+      // Escape special regex characters for non-glob patterns
+      const escapedGlob = this.escapeRegExp(this.glob)
+      this.regexp = new RegExp(`.*${escapedGlob}.*`, 'u')
       return
     }
     this.regexptText = this.globize(this.glob)
     this.regexp = new RegExp(`^${this.regexptText}$`, 'u')
   }
 
+  // Helper method to escape special regex characters
+  escapeRegExp (string) {
+    return string.replace(/[.*+?^${}()|[\]\\]/g, '\\$&') // $& means the whole matched string
+  }
+
   globize (glob) {
     return glob
       .replace(/\\/g, '\\\\') // escape backslashes
@@ -41,4 +48,4 @@ class Glob {
     return s.replaceAll(this.regexp, replacement)
   }
 }
-module.exports = Glob
+module.exports = Glob