string-symbolat v0.1.4

string-symbolat

NOTE: string-symbolat was renamed to @extra-string/symbol-at.

Get set-listed symbol at specified index in string.

const symbolAt = require('string-symbolat');
// symbolAt(<string>, <symbol set>, [index=0], [max symbol length])

symbolAt('rho+pi', new Set().add('pi').add('rho').add('+').add('-'), 0);
// 'rho'
symbolAt('rho+pi', new Set().add('pi').add('rho').add('+').add('-'), 2);
// undefined (no match at 2)
symbolAt('rho+pi', new Set().add('pi').add('rho').add('+').add('-'), 3);
// '+'
symbolAt('rho+pi', new Set(['pi', 'rho', '+', '-']), 4, 3);
// 'pi' (longest symbol='rho')