[1950] [DURACOM-101] Regex validator improved

feat:
  - New regexp to validate pattern used for regex validation;

Author: vins01-4science

src/app/shared/form/builder/parsers/field-parser.ts

@@ -1,7 +1,7 @@
-import {Inject, InjectionToken} from '@angular/core';
+import { Inject, InjectionToken } from '@angular/core';
 
-import uniqueId from 'lodash/uniqueId';
-import {DynamicFormControlLayout, DynamicFormControlRelation, MATCH_VISIBLE, OR_OPERATOR} from '@ng-dynamic-forms/core';
+import { uniqueId } from 'lodash';
+import { DynamicFormControlLayout, DynamicFormControlRelation, MATCH_VISIBLE, OR_OPERATOR } from '@ng-dynamic-forms/core';
 
 import { hasValue, isNotEmpty, isNotNull, isNotUndefined } from '../../../empty.util';
 import { FormFieldModel } from '../models/form-field.model';
@@ -22,6 +22,7 @@ export const SUBMISSION_ID: InjectionToken<string> = new InjectionToken<string>(
 export const CONFIG_DATA: InjectionToken<FormFieldModel> = new InjectionToken<FormFieldModel>('configData');
 export const INIT_FORM_VALUES: InjectionToken<any> = new InjectionToken<any>('initFormValues');
 export const PARSER_OPTIONS: InjectionToken<ParserOptions> = new InjectionToken<ParserOptions>('parserOptions');
+export const REGEX_FIELD_VALIDATOR: RegExp = new RegExp('(\\/?)(.+)\\1([gimsuy]*)', 'i');
 
 export abstract class FieldParser {
 
@@ -43,7 +44,7 @@ export abstract class FieldParser {
   public abstract modelFactory(fieldValue?: FormFieldMetadataValueObject, label?: boolean): any;
 
   public parse() {
-    if (((this.getInitValueCount() > 1 && !this.configData.repeatable) || (this.configData.repeatable))
+     if (((this.getInitValueCount() > 1 && !this.configData.repeatable) || (this.configData.repeatable))
       && (this.configData.input.type !== ParserType.List)
       && (this.configData.input.type !== ParserType.Tag)
     ) {
@@ -315,6 +316,7 @@ export abstract class FieldParser {
    * fields in type bind, made up of a 'match' outcome (make this field visible), an 'operator'
    * (OR) and a 'when' condition (the bindValues array).
    * @param configuredTypeBindValues  array of types from the submission definition (CONFIG_DATA)
+   * @param typeField
    * @private
    * @return DynamicFormControlRelation[] array with one relation in it, for type bind matching to show a field
    */
@@ -344,7 +346,13 @@ export abstract class FieldParser {
   }
 
   protected addPatternValidator(controlModel) {
-    const regex = new RegExp(this.configData.input.regex);
+    const validatorMatcher = this.configData.input.regex.match(REGEX_FIELD_VALIDATOR);
+    let regex;
+    if (validatorMatcher != null && validatorMatcher.length > 3) {
+      regex = new RegExp(validatorMatcher[2], validatorMatcher[3]);
+    } else {
+      regex = new RegExp(this.configData.input.regex);
+    }
     controlModel.validators = Object.assign({}, controlModel.validators, { pattern: regex });
     controlModel.errorMessages = Object.assign(
       {},