diff --git a/workflow/engine/templates/pmTables/edit.js b/workflow/engine/templates/pmTables/edit.js
index 204b9aa3a..5d66ffbcb 100644
--- a/workflow/engine/templates/pmTables/edit.js
+++ b/workflow/engine/templates/pmTables/edit.js
@@ -186,9 +186,19 @@ Ext.onReady(function(){
             xtype: 'textfield',
             allowBlank: true,
             listeners:{
-              change: function(f,e){
-            	this.setValue(this.getValue().replace(/\s/g,'').toUpperCase());
+              change: function(f,e){  
+                this.setValue(this.getValue().replace(/^\s+/,'').replace(/\s+$/,''));
+                var valueInputField= /^[0-9a-zA-Z\_]+$/.test(this.getValue()) ? true : false; 
+                if (valueInputField) {
+                  this.setValue(this.getValue().replace(/\s/g,'').toUpperCase());
+                }else{
+                    //Ext.Msg.alert(_('ID_WARNING'), _('ID_FIELD_NAME'));
+                    this.setValue('');
+                }
               }
+            },
+            validator: function(v) {
+              return valueInputField= /^[0-9a-zA-Z\_]+$/.test(v)?true:false;
             }
           }
       }, {
@@ -198,7 +208,20 @@ Ext.onReady(function(){
           width: 220,
           editor:{
             xtype: 'textfield',
-            allowBlank: true
+            allowBlank: true,
+            listeners:{
+              change: function(f,e){  
+                this.setValue(this.getValue().replace(/^\s+/,'').replace(/\s+$/,''));
+                var valueInputField= /^[0-9a-zA-Z\_]+$/.test(this.getValue()) ? true : false; 
+                if (!valueInputField) {
+                  //Ext.Msg.alert(_('ID_WARNING'), _('ID_FIELD_LABEL'));
+                  this.setValue('');
+                }
+              }
+            },
+            validator: function(v) {
+              return valueInputField= /^[0-9a-zA-Z\_]+$/.test(v)?true:_('ID_ROLE_NAME_NOT_EMPTY');
+            }
           }
       }, {
           id: 'field_type',