<http://webisa.webdatacommons.org/176256408>	<http://www.w3.org/ns/prov#value>	"You can optimize the first solution(indexof == lastindexof) just by checking the condition for all the 26 alphabets i.e. for a, b, c, d,..,z." .
<http://webisa.webdatacommons.org/176256408>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<stackoverflow.com> .
<http://webisa.webdatacommons.org/prov/472293403>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/176256408> .
<http://webisa.webdatacommons.org/176256408>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .