abc,xyz,ggg,nrmr
cde,jjj,kkkk,iiii,tem,posting
234,mm/dd/yy
,
454654,output2,sample
45646,output1,non-sample
16546,225.02
ABC,2.98"""
val res
= s.
replaceFirst("(?sm)\\A(.*?^,$){2}",
"").
trim() println(res)
}
b2JqZWN0IE1haW4gZXh0ZW5kcyBBcHAgewoJdmFsIHMgPSAiIiIsCmFiYyx4eXosZ2dnLG5ybXIKY2RlLGpqaixra2trLGlpaWksdGVtLHBvc3RpbmcKMjM0LG1tL2RkL3l5CiwKNDU0NjU0LG91dHB1dDIsc2FtcGxlCjQ1NjQ2LG91dHB1dDEsbm9uLXNhbXBsZQoxNjU0NiwyMjUuMDIKQUJDLDIuOTgiIiIKCXZhbCByZXMgPSBzLnJlcGxhY2VGaXJzdCgiKD9zbSlcXEEoLio/XiwkKXsyfSIsICIiKS50cmltKCkKCXByaW50bG4ocmVzKQp9