# coding=utf8
# the above tag defines encoding for this document and is for Python 2.x compatibility
import re
regex = r"(\bByVal\b|\bByRef\b)? +(\w+)(?: +as +(\w+))?(?: *= *[\w\"]+)? *[\)|,]?"
test_str = " ByVal S_Random, ByVal S_Sign_JS, ByRef S_Ksc, ByRef HS_EkscEkakscn, ByRef intResult, ByVal strEKA, ByVal strNmLogon, ByVal StrNivelUsuario, ByVal lngIDConexao, ByVal strBanco, ByVal strAgencia, ByVal strConta, ByVal strTipoDePessoa, ByVal lngCodUsuario, ByVal lngContrato, ByRef LngRetCode, ByRef strErro, ByRef strErroTecnica, ByVal intIdCanal, ByVal strIPAddrCliente, ByVal strIPAddrServer, Optional ByRef S_PW, Optional ByRef S_PBE"
matches = re.search(regex, test_str, re.IGNORECASE)
if matches:
print ("Match was found at {start}-{end}: {match}".format(start = matches.start(), end = matches.end(), match = matches.group()))
for groupNum in range(0, len(matches.groups())):
groupNum = groupNum + 1
print ("Group {groupNum} found at {start}-{end}: {group}".format(groupNum = groupNum, start = matches.start(groupNum), end = matches.end(groupNum), group = matches.group(groupNum)))
# Note: for Python 2.7 compatibility, use ur"" to prefix the regex and u"" to prefix the test string and substitution.
Please keep in mind that these code samples are automatically generated and are not guaranteed to work. If you find any syntax errors, feel free to submit a bug report. For a full regex reference for Python, please visit: https://docs.python.org/3/library/re.html