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Checking for an initial substring in Icon

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To check whether a string begins with a particular sequence of characters, use the function

    match ( t, s )
where t is the target string to be searched for, and s is the string to be searched.

For example, the expression

    match ( "foo", "rumplestiltskin" )
fails, while the expression
    match ( "foo", "foobar" )
succeeds and returns the value 4, which is the position just to the left of the "bar" in the second argument.
Next: Scanning for a substring in Icon
See also: Using strings in Icon
Previous: Checking the initial characters of a string in Icon
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John Shipman,
Last updated: 1996/01/06 21:12:57 UT
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