/Python/Python regex find first

Python regex find first

Python regex find first

>>> re.search('\d+|$', 'aa33bbb44').group()
'33'
>>> re.search('\d+|$', 'aazzzbbb').group()
''
>>> re.search('\d+|$', '').group()
''

1

Source: stackoverflow.com

Python regex find first

>>> re.findall('\d+|$', 'aa33bbb44')[0]
'33'
>>> re.findall('\d+|$', 'aazzzbbb')[0]
''
>>> re.findall('\d+|$', '')[0]
''

0

Source: stackoverflow.com

Similar codes

1 vote128 views1 answer
Can list comprehenios contain else
Python
9 votes127 views1 answer
Find nan value in dataframe python
Python
2 votes131 views1 answer
Argparse example python pyimagesearch
Python
0 vote123 views1 answer
String index out of range python
Python
1 vote117 views1 answer
Kmeans sklearn
Python
5 votes122 views4 answers
Shebang python
Python
0 vote134 views1 answer
Python session set cookies
Python
1 vote124 views1 answer
Python zip listas diferente tamaño
Python
1 vote97 views1 answer
Django crispy forms foundation for site
Python Django
14 votes134 views4 answers
How to detect keypress in python
Python

Share