String matching: Difference between revisions

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Optional requirements:

A) Print the location of the match for part 2

# Print the location of the match for part 2

B) Handle multiple occurrences of a string for part 2.

# Handle multiple occurrences of a string for part 2.

=={{header|ALGOL 68}}==

{{works with|ALGOL 68|Revision 1 - no extensions to language used}}

{{works with|ALGOL 68G|Any - tested with release [http://sourceforge.net/projects/algol68/files/algol68g/algol68g-1.18.0/algol68g-1.18.0-9h.tiny.el5.centos.fc11.i386.rpm/download 1.18.0-9h.tiny]}}

{{wont work with|ELLA ALGOL 68|Any (with appropriate job cards) - tested with release [http://sourceforge.net/projects/algol68/files/algol68toc/algol68toc-1.8.8d/algol68toc-1.8-8d.fc9.i386.rpm/download 1.8-8d] - string in string is non-standard?}}

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TFFT -1 +1 +3

</pre>

=={{header|C++}}==

⚫

<lang cpp>#include <string>

⚫

#include <string>

using namespace std;

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s1.find(s2)//returns string::npos

int loc=s2.find(s3)//returns 0

loc=s2.find(s3,loc+1)//returns 2

loc=s2.find(s3,loc+1)//returns 2</lang>

</lang>

=={{header|J}}==

<lang j>startswith=: ] -: ({.~ #)

contains=: +./@:E.~

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=={{header|Java}}==

⚫

<lang java>"abcd".startsWith("ab") //returns true

⚫

"abcd".startsWith("ab") //returns true

"abcd".endsWith("zn") //returns false

"abab".contains("bb") //returns false

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int loc = "abab".indexOf("bb") //returns -1

loc = "abab".indexOf("ab") //returns 0

loc = "abab".indexOf("ab",loc+1) //returns 2

loc = "abab".indexOf("ab",loc+1) //returns 2</lang>

</lang>

=={{header|Objective-C}}==

⚫

<lang objc>[@"abcd" hasPrefix:@"ab"] //returns true

⚫

[@"abcd" hasPrefix:@"ab"] //returns true

[@"abcd" hasSuffix:@"zn"] //returns false

int loc = [@"abab" rangeOfString:@"bb"].location //returns -1

loc = [@"abab" rangeOfString:@"ab"].location //returns 0

loc = [@"abab" rangeOfString:@"ab" options:0 range:NSMakeRange(loc+1, [@"abab" length]-(loc+1))].location //returns 2

loc = [@"abab" rangeOfString:@"ab" options:0 range:NSMakeRange(loc+1, [@"abab" length]-(loc+1))].location //returns 2</lang>

</lang>

=={{header|PureBasic}}==

<lang PureBasic>Procedure StartsWith(String1$, String2$)

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=={{header|Python}}==

⚫

<lang python>"abcd".startswith("ab") #returns true

⚫

"abcd".startswith("ab") #returns true

"abcd".endswith("zn") #returns false

"bb" in "abab" #returns false

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loc = "abab".find("bb") #returns -1

loc = "abab".find("ab") #returns 0

loc = "abab".find("ab",loc+1) #returns 2

loc = "abab".find("ab",loc+1) #returns 2</lang>

</lang>

=={{header|Retro}}==

<lang Retro>with strings'