Python re module
Test some regex:
import re
re.match("\\d+", "123d")
re.search('test', 'TeSt', re.IGNORECASE) # case insensitive
\\S # whitespace
Test some regex:
import re
re.match("\\d+", "123d")
re.search('test', 'TeSt', re.IGNORECASE) # case insensitive
\\S # whitespace