Refactor regex usage to include ##REGEX_POSIX pragma (sbcgua#217)

* Refactor regex usage to include ##REGEX_POSIX pragma

* Add cl_abap_regex use

Author: mbtools

src/core/zcl_ajson.clas.abap

@@ -447,7 +447,7 @@ CLASS ZCL_AJSON IMPLEMENTATION.
     if lr_item is not initial and lr_item->type = zif_ajson_types=>node_type-string.
       find first occurrence of regex '^(\d{4})-(\d{2})-(\d{2})(T|$)' "#EC NOTEXT
         in lr_item->value
-        submatches lv_y lv_m lv_d.
+        submatches lv_y lv_m lv_d ##REGEX_POSIX.
       concatenate lv_y lv_m lv_d into rv_value.
     endif.
 
@@ -736,7 +736,7 @@ CLASS ZCL_AJSON IMPLEMENTATION.
     endif.
 
     if go_float_regex is not bound.
-      create object go_float_regex exporting pattern = '^([1-9][0-9]*|0)\.[0-9]+$'.
+      create object go_float_regex exporting pattern = '^([1-9][0-9]*|0)\.[0-9]+$' ##REGEX_POSIX.
       " expects fractional, because ints are detected separately
     endif.
 

src/core/zcl_ajson.clas.locals_imp.abap

@@ -305,7 +305,7 @@ class lcl_utils implementation.
     " A lightweight check covering the top-level JSON value would look like this
     " ^\s*(\{.*\}|\[.*\]|"(?:\\.|[^"\\])*"|true|false|null|-?\d+(?:\.\d+)?(?:[eE][+-]?\d+)?)\s*$
     " Unfortunately, this is quite slow so we use a trivial check of the beginning of the JSON data
-    find regex '^\s*(true|false|null|-?\d|"|\{|\[)' in iv_data.
+    find regex '^\s*(true|false|null|-?\d|"|\{|\[)' in iv_data ##REGEX_POSIX.
     if sy-subrc <> 0.
       zcx_ajson_error=>raise(
         iv_msg      = |Json parsing error: Not JSON|
@@ -1211,7 +1211,7 @@ class lcl_json_to_abap implementation.
 
     find first occurrence of regex '^(\d{4})-(\d{2})-(\d{2})(T|$)' "#EC NOTEXT
       in iv_value
-      submatches lv_y lv_m lv_d.
+      submatches lv_y lv_m lv_d ##REGEX_POSIX.
     if sy-subrc <> 0.
       zcx_ajson_error=>raise( 'Unexpected date format' ).
     endif.
@@ -1269,7 +1269,7 @@ class lcl_json_to_abap implementation.
       in iv_value submatches
         ls_timestamp-year ls_timestamp-month ls_timestamp-day ls_timestamp-t
         ls_timestamp-hour ls_timestamp-minute ls_timestamp-second
-        ls_timestamp-local_sign ls_timestamp-local_hour ls_timestamp-local_minute.
+        ls_timestamp-local_sign ls_timestamp-local_hour ls_timestamp-local_minute ##REGEX_POSIX.
 
     if sy-subrc = 0.
 
@@ -1280,7 +1280,7 @@ class lcl_json_to_abap implementation.
       find first occurrence of regex lc_regex_ts_utc
         in iv_value submatches
           ls_timestamp-year ls_timestamp-month ls_timestamp-day ls_timestamp-t
-          ls_timestamp-hour ls_timestamp-minute ls_timestamp-second ls_timestamp-frac.
+          ls_timestamp-hour ls_timestamp-minute ls_timestamp-second ls_timestamp-frac ##REGEX_POSIX.
 
       if sy-subrc <> 0.
         zcx_ajson_error=>raise( 'Unexpected timestamp format' ).
@@ -1334,7 +1334,7 @@ class lcl_json_to_abap implementation.
 
     find first occurrence of regex '^(\d{2}):(\d{2}):(\d{2})(T|$)' "#EC NOTEXT
       in iv_value
-      submatches lv_h lv_m lv_s.
+      submatches lv_h lv_m lv_s ##REGEX_POSIX.
     if sy-subrc <> 0.
       zcx_ajson_error=>raise( 'Unexpected time format' ).
     endif.

src/libs/zcl_ajson_mapping.clas.locals_imp.abap

@@ -191,7 +191,7 @@ class lcl_mapping_camel implementation. "DEPRECATED
 
     rv_result = iv_name.
 
-    replace all occurrences of regex `([a-z])([A-Z])` in rv_result with `$1_$2`. "#EC NOTEXT
+    replace all occurrences of regex `([a-z])([A-Z])` in rv_result with `$1_$2` ##REGEX_POSIX. "#EC NOTEXT
 
   endmethod.
 
@@ -276,7 +276,7 @@ class lcl_to_snake implementation.
 
   method zif_ajson_mapping~rename_node.
 
-    replace all occurrences of regex `([a-z])([A-Z])` in cv_name with `$1_$2`. "#EC NOTEXT
+    replace all occurrences of regex `([a-z])([A-Z])` in cv_name with `$1_$2` ##REGEX_POSIX. "#EC NOTEXT
     cv_name = to_lower( cv_name ).
 
   endmethod.