Merge pull request #1 from 1c-syntax/feture/pattern

CIPattern

src/main/java/com/github/_1c_syntax/utils/CaseInsensitivePattern.java

@@ -0,0 +1,56 @@
+/*
+ * This file is a part of 1c-syntax utils.
+ *
+ * Copyright © 2018-2020
+ * Alexey Sosnoviy <[email protected]>, Nikita Gryzlov <[email protected]> and contributors
+ *
+ * SPDX-License-Identifier: LGPL-3.0-or-later
+ *
+ * 1c-syntax utils is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3.0 of the License, or (at your option) any later version.
+ *
+ * 1c-syntax utils is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with 1c-syntax utils.
+ */
+package com.github._1c_syntax.utils;
+
+
+import lombok.experimental.UtilityClass;
+
+import java.util.regex.Pattern;
+import java.util.regex.PatternSyntaxException;
+
+/**
+ * Pattern helper
+ */
+@UtilityClass
+public class CaseInsensitivePattern {
+
+  /**
+   * Compiles the given regular expression into a pattern with CASE_INSENSITIVE and UNICODE_CASE
+   * flags.
+   *
+   * @param  regex
+   *         The expression to be compiled
+   *
+   *
+   * @return the given regular expression compiled into a pattern with the given flags
+   * @throws  IllegalArgumentException
+   *          If bit values other than those corresponding to the defined
+   *          match flags are set in {@code flags}
+   *
+   * @throws PatternSyntaxException
+   *          If the expression's syntax is invalid
+   */
+  public static Pattern compile(String regex) {
+    return Pattern.compile(regex, Pattern.CASE_INSENSITIVE | Pattern.UNICODE_CASE);
+  }
+
+}