appendtrailingcharifabsentASCIICHAR_LENGTHconcatConcat_wsends_withfindinsetgetjsondoublegetjsonintgetjsonstringgroup_concatinstrlcaseleftlengthlocatelowerlpadltrimmoney_formatnulloremptyregexp_extractregexp_replacerepeatREVERSErightrpadsplit_partstarts_withstrleftstrright