diff --git a/package.json b/package.json
index 021b321..051e99c 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
 	"name": "@ztimson/utils",
-	"version": "0.26.7",
+	"version": "0.26.8",
 	"description": "Utility library",
 	"author": "Zak Timson",
 	"license": "MIT",
diff --git a/src/search.ts b/src/search.ts
index a86a42a..223acba 100644
--- a/src/search.ts
+++ b/src/search.ts
@@ -39,6 +39,8 @@ export function logicTest(target: object, condition: string): boolean {
 			case '=':
 			case '==': return a == b;
 			case '!=': return a != b;
+			case '+': return a.includes(b);
+			case '-': return !a.includes(b);
 			case '>': return a > b;
 			case '>=': return a >= b;
 			case '<': return a < b;
@@ -53,7 +55,7 @@ export function logicTest(target: object, condition: string): boolean {
 		const and = p.split('&&').map(p => p.trim()).filter(p => !!p);
 		return and.filter(p => {
 			// Boolean operator
-			const prop = /(\S+)\s*(==?|!=|>=|>|<=|<)\s*(\S+)/g.exec(p);
+			const prop = /(\S+)\s*(==?|!=|\+|-|>=|>|<=|<)\s*(\S+)/g.exec(p);
 			if(prop) {
 				const key = Object.keys(target).find(k => k.toLowerCase() == prop[1].toLowerCase());
 				return evalBoolean(dotNotation<any>(target, key || prop[1]),  prop[2], JSONAttemptParse(prop[3]));