BeautifulSoup : how to have a html5 attribut searched for in a regular expression ?

[arbiel]

Hi

The children of a node of the xml file I'm using all contain two ancient greek words as attributes, named «data-alpha» and «data-omega». Given an other greek word, I want to find out the node of which «data-omega» is alphabetically before this other word and of which next sibling's «data-alpha» is alphabetically after this word.

I've made it to search nodes based on attributes with regular expression, such as

def ltg1(classe):
	return classe is not None and classe=='js-char-popup-item symbols-grid__item u0000 '

def ltg2(classe):
	return classe is not None and re.compile('js-char-popup-item symbols-grid__item').search(classe) and not re.compile('^.*disabled$').search(classe)


def les_lettres(doc_html, choix):
	if choix=="ltg1":
		lst=doc_html.find_all(class_=ltg1)
	elif choix=='ltg2':
		lst=doc_html.find_all(class_=ltg2)
	for lt in lst:
		dt=eval('dict('+lt.attrs['data-template']+')')
		lettre, symbol, unicode = dt['title'],dt[ 'symbol'],dt[ 'number']
		print(lettre, symbol, unicode)

How can I do that ?

Arbiel