def _tryMatch(self, textToMatchObject):
        """Tries to parse text. If matched - saves data for dynamic context
        """
        # Special case. if pattern starts with \b, we have to check it manually,
        # because string is passed to .match(..) without beginning
        if self.wordStart and \
           (not textToMatchObject.isWordStart):
                return None

        #Special case. If pattern starts with ^ - check column number manually
        if self.lineStart and \
           textToMatchObject.currentColumnIndex > 0:
            return None

        if self.dynamic:
            string = self._makeDynamicSubsctitutions(self.string, textToMatchObject.contextData)
            regExp = self._compileRegExp(string, self.insensitive, self.minimal)
        else:
            regExp = self.regExp

        if regExp is None:
            return None

        wholeMatch, groups = self._matchPattern(regExp, textToMatchObject.text)
        if wholeMatch is not None:
            count = len(wholeMatch)
            return RuleTryMatchResult(self, count, groups)
        else:
            return None
def _tryMatch ( self , textToMatchObject ) : if self . wordStart and ( not textToMatchObject . isWordStart ) : return None if self . lineStart and textToMatchObject . currentColumnIndex > 0 : return None if self . dynamic : string = self . _makeDynamicSubsctitutions ( self . string , textToMatchObject . contextData ) regExp = self . _compileRegExp ( string , self . insensitive , self . minimal ) else : regExp = self . regExp if regExp is None : return None wholeMatch , groups = self . _matchPattern ( regExp , textToMatchObject . text ) if wholeMatch is not None : count = len ( wholeMatch ) return RuleTryMatchResult ( self , count , groups ) else : return None
Tries to parse text. If matched - saves data for dynamic context