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print 'begin'
print '找出整数'
#L------------------------------------------------R
search_job(r"(?:[a-z]*)[1-9]+","defg1234abcd1234") #wrong
search_job(r"(?:\d+)","defg1234abcd1234")
search_job(r"(?=[a-z]*)[1-9]+","defg1234abcd1234")
search_job(r"(?![a-z])[1-9]+","defg1234abcd1234")
search_job(r"(?<=-)\d+","deferrr-1234abcd-5678")
search_job(r"(?<!\d)\d+","deferrr-1234abcdxx@@@@-5678")
findall_job(r"(\w+[.](?!bat[\w|\t]+|exe[\w|\t]+)\w+)","simplex.bat pg.batx pen.bat ogoo.exe red.exers mouse.exe kl.exe er")