Character properties to classes

Author: MattDMo

Regular Expressions (PythonImproved).YAML-tmLanguage

@@ -27,13 +27,13 @@ patterns:
 - comment: We are restrictive in what we allow to go after the comment character to
     avoid false positives, since the availability of comments depend on regexp flags.
   name: comment.line.number-sign.regexp
-  match: (?<=^|\s)#\s[[\p{Alnum},. \t?!-:][^\x{00}-\x{7F}]]*$
+  match: (?<=^|\s)#\s[[[:alnum:],. \t?!-:][^\x{00}-\x{7F}]]*$
 
 - name: keyword.other.option-toggle.regexp
-  match: \(\?[iLmsux]+\)
+  match: \(\?[giLmsux]+\)
 
 - name: keyword.other.back-reference.named.regexp
-  match: (\()(\?P=([\p{Alpha}_][\p{Alnum}_]*\w*))(\))
+  match: (\()(\?P=([[:alpha:]_][[:alnum:]_]*\w*))(\))
 
 - name: meta.group.assertion.regexp
   begin: (\()((\?=)|(\?!)|(\?<=)|(\?<!))
@@ -53,7 +53,7 @@ patterns:
 - comment: we can make this more sophisticated to match the | character that separates
     yes-pattern from no-pattern, but it's not really necessary.
   name: meta.group.assertion.conditional.regexp
-  begin: (\()(\?\(([1-9][0-9]?|[\p{Alpha}_][\p{Alnum}_]*)\))
+  begin: (\()(\?\(([1-9][0-9]?|[[:alpha:]_][[:alnum:]_]*)\))
   beginCaptures:
     '1': {name: punctuation.definition.group.regexp}
     '2': {name: punctuation.definition.group.assertion.conditional.regexp}
@@ -63,7 +63,7 @@ patterns:
   - include: $self
 
 - name: meta.group.regexp
-  begin: (\()((\?P<)([\p{Alpha}]\w*)(>)|(\?:))?
+  begin: (\()((\?P<)([[:alpha:]_][[:alnum:]_]*)(>)|(\?:))?
   beginCaptures:
     '1': {name: punctuation.definition.group.regexp}
     '3': {name: punctuation.definition.group.capture.regexp}