asciilengthbit_lengthchar_lengthlpadrpadlowerlcaseupperucaserepeatreverseconcatconcat_wssubstrsubstringappend_trailing_char_if_absentends_withstarts_withtrimltrimrtrimnull_or_emptyhexunhexeltinstrlocatefind_in_setreplaceleftrightstrleftstrrightsplit_partmoney_formatparse_urlFuzzy MatchRegular Match