scan through strings. supports forwards and backwards scanning.

In node.js:

$ npm install string-scanner

In the browser (with component):

$ component install matthewmueller/string-scanner

Initialize a scanner for str at the given offset. If no offset is given, default to 0.

var s = scanner('apples, peaches, kiwis', 12);

Scan for the next expr. expr can either be a string or a regex. Return the nth match. n defaults to 1, or the first match.

s.next(/apples?/) // apples
s.next('peaches') // peaches

Scan for the previous expr. expr can either be a string or a regex. Return the nth match. n defaults to 1, or the first match.

s.last()
s.prev(/kiwis?/) // kiwis
s.prev('peaches') // peaches

Return the current match. Useful for regex captures. If no match is found, this function returns null.

s.next(/apples?/)
 .match()

Peak forward or backwards n matches in search of expr. Peaking does not change the offset.

s.peak(/\w+/, 2) // peaches
s.next(/\w+/, 2) // peaches

Get or set the cursor within the string.

Move the cursor to the end of the string

Move the cursor to the beginning of the string

npm install component-test
make test

MIT