Java: Replace '.prefix'/'.suffix' with '.matches'.

java/ql/lib/semmle/code/java/frameworks/gigaspaces/GigaSpaces.qll

@@ -37,7 +37,7 @@ predicate isGigaSpacesEventMethod(Method eventMethod) {
 class GigaSpacesSpaceIdGetterMethod extends Method {
   GigaSpacesSpaceIdGetterMethod() {
     getAnAnnotation().getType().hasQualifiedName("com.gigaspaces.annotation.pojo", "SpaceId") and
-    getName().prefix(3) = "get"
+    getName().matches("get%")
   }
 }
 
@@ -48,7 +48,7 @@ class GigaSpacesSpaceIdSetterMethod extends Method {
   GigaSpacesSpaceIdSetterMethod() {
     exists(GigaSpacesSpaceIdGetterMethod getterMethod |
       getterMethod.getDeclaringType() = getDeclaringType() and
-      getName().prefix(3) = "set"
+      getName().matches("set%")
     |
       getterMethod.getName().suffix(3) = getName().suffix(3)
     )
@@ -62,6 +62,6 @@ class GigaSpacesSpaceIdSetterMethod extends Method {
 class GigaSpacesSpaceRoutingMethod extends Method {
   GigaSpacesSpaceRoutingMethod() {
     getAnAnnotation().getType().hasQualifiedName("com.gigaspaces.annotation.pojo", "SpaceRouting") and
-    getName().prefix(3) = "get"
+    getName().matches("get%")
   }
 }

java/ql/lib/semmle/code/java/frameworks/spring/SpringProfile.qll

@@ -37,7 +37,7 @@ class SpringProfileExpr extends string {
  * A Spring profile expression that begins with "!", indicating a negated expression.
  */
 class NotSpringProfileExpr extends SpringProfileExpr {
-  NotSpringProfileExpr() { this.prefix(1) = "!" }
+  NotSpringProfileExpr() { this.matches("!%") }
 
   /**
    * Gets the profile described in this profile expression.

java/ql/lib/semmle/code/xml/MavenPom.qll

@@ -129,7 +129,7 @@ class Pom extends ProtoPom {
    * occurs by considering the properties defined by this project or an ancestor project.
    */
   string resolvePlaceholder(string name) {
-    if name.prefix(8) = "project."
+    if name.matches("project.%")
     then
       exists(PomElement p |
         p = getProjectProperty() and