password-analysis/src/patterns.ts

A library for analyzing the strength of a password

export function detectRepeats(password: string): boolean {
    const repeatPattern = /(\w)\1{2,}/;
    return repeatPattern.test(password);
  }
  
  export function detectSequences(password: string): boolean {
    const sequencePattern = /(?:abc|123|qwerty|asdfg)/i;
    return sequencePattern.test(password);
  }
  
  export function detectKeyboardPatterns(password: string): boolean {
    const keyboardPattern = /(?:qwerty|asdf|zxcv)/i;
    return keyboardPattern.test(password);
  }