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performance.allocation

Avoid regex construction inside loops

Constructing regular expressions inside loops repeatedly allocates and reparses patterns.

#Metadata

Rule ID
ts.performance.no-regex-construction-in-loop
Severity
medium
Confidence
0.8
Languages
javascript, typescript
Presets
recommended, strict
Stability
stable
Applies to
block
Tags
performance, rules-catalog

#Why it matters

Constructing regular expressions inside loops repeatedly allocates and reparses patterns.

#Remediation

Refactor this path to avoid repeated work in hot execution paths.

#Repository path

The generated metadata points to critiq-rules/libs/rules/catalog/rules/typescript/ts.performance.no-regex-construction-in-loop.rule.yaml.