lookahead

基本解释

• n.考虑未来(预先作准备

同根派生

英汉例句

• Positive lookahead and lookbehind do not backtrack.
  积极的预测先行和追溯不回溯。
• The biggest limitation is that yacc is limited to one token of lookahead.
  最大的局限在于,yacc被限定为一个预读标记。
• This “lookahead” into cool/hot spot movement is supplied to you each turn.
  这些对于冷/热场的的移动信息在每次移动之前会提供给你。
• Provides information about regular expression lookahead and lookbehind behavior.
  提供关于正则表达式预测先行和追溯行为的信息。
• Assertions do not change: lookahead looks to the right; lookbehind looks to the left.
  断言不改变:预测先行向右搜索;回顾后发向左搜索。